Vulnerability-Lookup

GHSA-365W-HQF6-VXFG

Vulnerability from github – Published: 2026-06-16 20:13 – Updated: 2026-09-23 21:03

Summary

Crawl4AI: Multiple Docker API Vulnerabilities - File Write, SSRF, Auth Bypass, XSS, JS Execution

Details

Summary

Multiple security vulnerabilities in the Crawl4AI Docker API server affecting endpoints for crawling, markdown/LLM extraction, screenshots, PDFs, webhooks, monitoring, JavaScript execution, and configuration.

Vulnerabilities

1. Arbitrary File Write via /screenshot and /pdf (CWE-22, CVSS 9.1)

The output_path parameter accepts arbitrary filesystem paths with no validation. An attacker can overwrite server files (DoS) or write to any appuser-writable location.

Fix: Added validate_output_path() restricting writes to CRAWL4AI_OUTPUT_DIR (/tmp/crawl4ai-outputs by default). Added Pydantic field_validator rejecting .. traversal sequences.

2. SSRF via Webhook URL (CWE-918, CVSS 8.6)

Webhook URLs in /crawl/job and /llm/job accept internal/private IPs with no validation, enabling Server-Side Request Forgery against cloud metadata endpoints (169.254.169.254), internal services, and Docker networks.

Fix: Added validate_webhook_url() with blocklist for RFC 1918, loopback, link-local, cloud metadata IPs and hostnames. Validation at both job submission and send time. Explicit follow_redirects=False.

3. Authentication Bypass on Monitor Endpoints (CWE-306, CVSS 6.5)

The monitor router was mounted without token_dep dependency, making all monitoring endpoints (including destructive ones like /monitor/actions/cleanup) accessible without authentication.

Fix: Added dependencies=[Depends(token_dep)] to monitor router. Added explicit token check on WebSocket /monitor/ws endpoint.

4. Stored XSS in Monitor Dashboard (CWE-79, CVSS 6.1)

URLs and error messages rendered in the monitor dashboard via innerHTML without escaping, enabling stored XSS via crafted crawl URLs.

Fix: Server-side html.escape() on URL and error storage. Client-side escapeHtml() wrapper on all innerHTML template injections.

5. Arbitrary JavaScript Execution via /execute_js (CWE-94, CVSS 8.1)

The /execute_js endpoint accepts and executes arbitrary JavaScript in the server's browser with --disable-web-security enabled, combining arbitrary JS execution with SSRF capability.

Fix: Disabled by default via CRAWL4AI_EXECUTE_JS_ENABLED env var. Added SSRF blocklist on destination URL. Removed --disable-web-security from default browser args.

6. Hardcoded JWT Secret Key (CWE-798, CVSS 9.8)

The JWT signing key defaults to "mysecret" in the public source code, allowing anyone to forge valid authentication tokens.

Fix: Removed default value. Added startup validation rejecting weak/short secrets. Auto-generates ephemeral key when JWT enabled but no key set.

7. SSRF via Direct Crawl Endpoints /crawl, /md, /llm (CWE-918, CVSS 8.6)

The primary crawl entry points (/crawl, /crawl/stream, /md, /llm) fetch arbitrary user-supplied URLs with no destination validation, enabling Server-Side Request Forgery against internal services, Docker networks, and cloud metadata endpoints (169.254.169.254). A blocklist that only inspects the literal hostname is additionally bypassable via IPv6-mapped IPv4 addresses (e.g. [::ffff:169.254.169.254], [::ffff:10.0.0.1]), which resolve to the blocked private/metadata ranges but evade a naive string check.

Fix: Added URL destination validation on all crawl/md/llm entry points, reusing the SSRF blocklist (RFC 1918, loopback, link-local, cloud-metadata IPs and hostnames). IPv6-mapped IPv4 addresses are normalized to their IPv4 form before the blocklist check, closing the mapping bypass. raw:// URLs are skipped. Validation applies at request entry, not only at fetch time.

Workarounds

Upgrade to the patched version (recommended)
Set CRAWL4AI_API_TOKEN to enable authentication
Set a strong SECRET_KEY (min 32 chars) if using JWT
Restrict network access to the Docker API

Credits

Jeongbean Jeon - file write, SSRF, monitor auth bypass, stored XSS
wulonchia - file write via output_path (independent report)
by111 (August829) - hardcoded JWT, eval in /config/dump, /execute_js, hook sandbox escape
secsys_codex - SSRF via /md, /crawl, /llm endpoints + IPv6-mapped IPv4 bypass (URL destination validation)
Velayutham Selvaraj (LinkedIn) - SSRF via missing host validation in validate_url_scheme (independent report)
IcySun & Yashon - SSRF, arbitrary file write, missing-auth-by-default, hook sandbox bypass via asyncio (independent report)

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.8.6"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "crawl4ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-56266"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22",
      "CWE-306",
      "CWE-79",
      "CWE-798",
      "CWE-918",
      "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-16T20:13:30Z",
    "nvd_published_at": "2026-06-22T22:16:50Z",
    "severity": "CRITICAL"
  },
  "details": "### Summary\n\nMultiple security vulnerabilities in the Crawl4AI Docker API server affecting endpoints for crawling, markdown/LLM extraction, screenshots, PDFs, webhooks, monitoring, JavaScript execution, and configuration.\n\n### Vulnerabilities\n\n#### 1. Arbitrary File Write via /screenshot and /pdf (CWE-22, CVSS 9.1)\n\nThe `output_path` parameter accepts arbitrary filesystem paths with no validation. An attacker can overwrite server files (DoS) or write to any appuser-writable location.\n\n**Fix:** Added `validate_output_path()` restricting writes to `CRAWL4AI_OUTPUT_DIR` (/tmp/crawl4ai-outputs by default). Added Pydantic `field_validator` rejecting `..` traversal sequences.\n\n#### 2. SSRF via Webhook URL (CWE-918, CVSS 8.6)\n\nWebhook URLs in `/crawl/job` and `/llm/job` accept internal/private IPs with no validation, enabling Server-Side Request Forgery against cloud metadata endpoints (169.254.169.254), internal services, and Docker networks.\n\n**Fix:** Added `validate_webhook_url()` with blocklist for RFC 1918, loopback, link-local, cloud metadata IPs and hostnames. Validation at both job submission and send time. Explicit `follow_redirects=False`.\n\n#### 3. Authentication Bypass on Monitor Endpoints (CWE-306, CVSS 6.5)\n\nThe monitor router was mounted without `token_dep` dependency, making all monitoring endpoints (including destructive ones like `/monitor/actions/cleanup`) accessible without authentication.\n\n**Fix:** Added `dependencies=[Depends(token_dep)]` to monitor router. Added explicit token check on WebSocket `/monitor/ws` endpoint.\n\n#### 4. Stored XSS in Monitor Dashboard (CWE-79, CVSS 6.1)\n\nURLs and error messages rendered in the monitor dashboard via `innerHTML` without escaping, enabling stored XSS via crafted crawl URLs.\n\n**Fix:** Server-side `html.escape()` on URL and error storage. Client-side `escapeHtml()` wrapper on all `innerHTML` template injections.\n\n#### 5. Arbitrary JavaScript Execution via /execute_js (CWE-94, CVSS 8.1)\n\nThe `/execute_js` endpoint accepts and executes arbitrary JavaScript in the server\u0027s browser with `--disable-web-security` enabled, combining arbitrary JS execution with SSRF capability.\n\n**Fix:** Disabled by default via `CRAWL4AI_EXECUTE_JS_ENABLED` env var. Added SSRF blocklist on destination URL. Removed `--disable-web-security` from default browser args.\n\n#### 6. Hardcoded JWT Secret Key (CWE-798, CVSS 9.8)\n\nThe JWT signing key defaults to `\"mysecret\"` in the public source code, allowing anyone to forge valid authentication tokens.\n\n**Fix:** Removed default value. Added startup validation rejecting weak/short secrets. Auto-generates ephemeral key when JWT enabled but no key set.\n\n#### 7. SSRF via Direct Crawl Endpoints /crawl, /md, /llm (CWE-918, CVSS 8.6)\n\nThe primary crawl entry points (`/crawl`, `/crawl/stream`, `/md`, `/llm`) fetch arbitrary user-supplied URLs with no destination validation, enabling Server-Side Request Forgery against internal services, Docker networks, and cloud metadata endpoints (169.254.169.254). A blocklist that only inspects the literal hostname is additionally bypassable via IPv6-mapped IPv4 addresses (e.g. `[::ffff:169.254.169.254]`, `[::ffff:10.0.0.1]`), which resolve to the blocked private/metadata ranges but evade a naive string check.\n\n**Fix:** Added URL destination validation on all crawl/md/llm entry points, reusing the SSRF blocklist (RFC 1918, loopback, link-local, cloud-metadata IPs and hostnames). IPv6-mapped IPv4 addresses are normalized to their IPv4 form before the blocklist check, closing the mapping bypass. `raw://` URLs are skipped. Validation applies at request entry, not only at fetch time.\n\n### Workarounds\n\n1. Upgrade to the patched version (recommended)\n2. Set `CRAWL4AI_API_TOKEN` to enable authentication\n3. Set a strong `SECRET_KEY` (min 32 chars) if using JWT\n4. Restrict network access to the Docker API\n\n### Credits\n\n- Jeongbean Jeon - file write, SSRF, monitor auth bypass, stored XSS\n- wulonchia - file write via output_path (independent report)\n- by111 ([August829](https://github.com/August829)) - hardcoded JWT, eval in /config/dump, /execute_js, hook sandbox escape\n- secsys_codex - SSRF via /md, /crawl, /llm endpoints + IPv6-mapped IPv4 bypass (URL destination validation)\n- Velayutham Selvaraj ([LinkedIn](https://www.linkedin.com/in/velayuthamselvaraj)) - SSRF via missing host validation in validate_url_scheme (independent report)\n- IcySun \u0026 Yashon - SSRF, arbitrary file write, missing-auth-by-default, hook sandbox bypass via asyncio (independent report)",
  "id": "GHSA-365w-hqf6-vxfg",
  "modified": "2026-09-23T21:03:22Z",
  "published": "2026-06-16T20:13:30Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56266"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-unauthenticated-access-to-monitor-endpoints-via-docker-api-server"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboard"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-server-side-request-forgery-via-webhook-urls"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-server-side-request-forgery-via-direct-crawl-endpoints"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-key"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-arbitrary-javascript-execution-via-execute-js-endpoint"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-arbitrary-file-write-via-output-path-parameter"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/unclecode/crawl4ai"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/crawl4ai/PYSEC-2026-798.yaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/crawl4ai/PYSEC-2026-596.yaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/crawl4ai/PYSEC-2026-3449.yaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/crawl4ai/PYSEC-2026-3443.yaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/crawl4ai/PYSEC-2026-239.yaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/crawl4ai/PYSEC-2026-230.yaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/crawl4ai/PYSEC-2026-229.yaml"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-xrfj-6m49-wfmm"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-r9hw-78q5-478g"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-g2pv-76hm-j4x9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-f23g-2f38-gg94"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-8qrg-7j2f-rf2h"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-53rg-46cm-4g2v"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Crawl4AI: Multiple Docker API Vulnerabilities - File Write, SSRF, Auth Bypass, XSS, JS Execution"
}

CVE-2026-56266 (GCVE-0-2026-56266)

Vulnerability from cvelistv5 – Published: 2026-06-22 21:04 – Updated: 2026-07-14 21:34

Title

Crawl4AI - Server-Side Request Forgery via Direct Crawl Endpoints

Summary

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reach internal services and cloud metadata endpoints.

Severity

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

8.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-23 13:56 UTC

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root Scorecard

References

3 references

URL	Tags
https://github.com/unclecode/crawl4ai/security/ad…	vendor-advisory
https://github.com/unclecode/crawl4ai	product
https://www.vulncheck.com/advisories/crawl4ai-ser…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Crawl4AI	Crawl4AI	Affected: 0 , < 0.8.7 (semver) Unaffected: 0.8.7 (semver) cpe:2.3:a:kidocode:crawl4ai::::::::

Date Public

2026-06-16 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-56266",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-23T13:56:04.470751Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-23T13:56:23.413Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:pypi/crawl4ai",
          "product": "Crawl4AI",
          "vendor": "Crawl4AI",
          "versions": [
            {
              "lessThan": "0.8.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "0.8.7",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:kidocode:crawl4ai:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "0.8.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2026-06-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reach internal services and cloud metadata endpoints."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.2,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-14T21:34:13.452Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
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          "name": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg",
          "tags": [
            "vendor-advisory"
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          "url": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg"
        },
        {
          "name": "https://github.com/unclecode/crawl4ai",
          "tags": [
            "product"
          ],
          "url": "https://github.com/unclecode/crawl4ai"
        },
        {
          "name": "VulnCheck Advisory: Crawl4AI - Server-Side Request Forgery via Direct Crawl Endpoints",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/crawl4ai-server-side-request-forgery-via-direct-crawl-endpoints"
        }
      ],
      "title": "Crawl4AI - Server-Side Request Forgery via Direct Crawl Endpoints",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-56266",
    "datePublished": "2026-06-22T21:04:44.755Z",
    "dateReserved": "2026-06-20T01:42:20.615Z",
    "dateUpdated": "2026-07-14T21:34:13.452Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

PYSEC-2026-229

Vulnerability from pysec - Published: 2026-06-24 13:16 - Updated: 2026-07-09 14:40

Details

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability in the monitor router endpoints that allows unauthenticated attackers to access destructive operations. Remote attackers can invoke the /monitor/actions/cleanup endpoint and manipulate monitoring state without authentication, causing service disruption.

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Impacted products

Name	purl
crawl4ai	pkg:pypi/crawl4ai

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "crawl4ai",
        "purl": "pkg:pypi/crawl4ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.3.71",
        "0.3.72",
        "0.3.73",
        "0.3.731",
        "0.3.74",
        "0.3.741",
        "0.3.742",
        "0.3.743",
        "0.3.744",
        "0.3.745",
        "0.3.746",
        "0.3.8",
        "0.4.0",
        "0.4.1",
        "0.4.21",
        "0.4.22",
        "0.4.23",
        "0.4.24",
        "0.4.241",
        "0.4.242",
        "0.4.243",
        "0.4.244",
        "0.4.245",
        "0.4.246",
        "0.4.247",
        "0.4.248",
        "0.4.248b3",
        "0.4.3b1",
        "0.4.3b2",
        "0.4.3b3",
        "0.5.0",
        "0.5.0.post1",
        "0.5.0.post2",
        "0.5.0.post3",
        "0.5.0.post4",
        "0.5.0.post5",
        "0.5.0.post6",
        "0.5.0.post7",
        "0.5.0.post8",
        "0.6.0",
        "0.6.0rc1",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "0.7.0",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.7.5",
        "0.7.6",
        "0.7.7",
        "0.7.8",
        "0.8.0",
        "0.8.5",
        "0.8.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-56262",
    "GHSA-xrfj-6m49-wfmm"
  ],
  "details": "Crawl4AI before 0.8.7 contains an authentication bypass vulnerability in the monitor router endpoints that allows unauthenticated attackers to access destructive operations. Remote attackers can invoke the /monitor/actions/cleanup endpoint and manipulate monitoring state without authentication, causing service disruption.",
  "id": "PYSEC-2026-229",
  "modified": "2026-07-09T14:40:00Z",
  "published": "2026-06-24T13:16:35.263Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-xrfj-6m49-wfmm"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-unauthenticated-access-to-monitor-endpoints-via-docker-api-server"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/unclecode/crawl4ai"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

PYSEC-2026-230

Vulnerability from pysec - Published: 2026-06-23 13:16 - Updated: 2026-07-09 14:40

Details

Crawl4AI before 0.8.7 contains a stored cross-site scripting vulnerability in the monitor dashboard that renders crawl URLs and error messages via innerHTML without escaping. An attacker can submit a crafted crawl request with malicious markup that executes in an operator's browser when viewing the dashboard.

Severity

5.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Impacted products

Name	purl
crawl4ai	pkg:pypi/crawl4ai

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "crawl4ai",
        "purl": "pkg:pypi/crawl4ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.3.71",
        "0.3.72",
        "0.3.73",
        "0.3.731",
        "0.3.74",
        "0.3.741",
        "0.3.742",
        "0.3.743",
        "0.3.744",
        "0.3.745",
        "0.3.746",
        "0.3.8",
        "0.4.0",
        "0.4.1",
        "0.4.21",
        "0.4.22",
        "0.4.23",
        "0.4.24",
        "0.4.241",
        "0.4.242",
        "0.4.243",
        "0.4.244",
        "0.4.245",
        "0.4.246",
        "0.4.247",
        "0.4.248",
        "0.4.248b3",
        "0.4.3b1",
        "0.4.3b2",
        "0.4.3b3",
        "0.5.0",
        "0.5.0.post1",
        "0.5.0.post2",
        "0.5.0.post3",
        "0.5.0.post4",
        "0.5.0.post5",
        "0.5.0.post6",
        "0.5.0.post7",
        "0.5.0.post8",
        "0.6.0",
        "0.6.0rc1",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "0.7.0",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.7.5",
        "0.7.6",
        "0.7.7",
        "0.7.8",
        "0.8.0",
        "0.8.5",
        "0.8.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-56263",
    "GHSA-53rg-46cm-4g2v"
  ],
  "details": "Crawl4AI before 0.8.7 contains a stored cross-site scripting vulnerability in the monitor dashboard that renders crawl URLs and error messages via innerHTML without escaping. An attacker can submit a crafted crawl request with malicious markup that executes in an operator\u0027s browser when viewing the dashboard.",
  "id": "PYSEC-2026-230",
  "modified": "2026-07-09T14:40:00Z",
  "published": "2026-06-23T13:16:44.947Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-53rg-46cm-4g2v"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboard"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/unclecode/crawl4ai"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

PYSEC-2026-239

Vulnerability from pysec - Published: 2026-06-21 14:16 - Updated: 2026-07-09 14:40

Details

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected functionality.

Severity

9.3 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Impacted products

Name	purl
crawl4ai	pkg:pypi/crawl4ai

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "crawl4ai",
        "purl": "pkg:pypi/crawl4ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.3.71",
        "0.3.72",
        "0.3.73",
        "0.3.731",
        "0.3.74",
        "0.3.741",
        "0.3.742",
        "0.3.743",
        "0.3.744",
        "0.3.745",
        "0.3.746",
        "0.3.8",
        "0.4.0",
        "0.4.1",
        "0.4.21",
        "0.4.22",
        "0.4.23",
        "0.4.24",
        "0.4.241",
        "0.4.242",
        "0.4.243",
        "0.4.244",
        "0.4.245",
        "0.4.246",
        "0.4.247",
        "0.4.248",
        "0.4.248b3",
        "0.4.3b1",
        "0.4.3b2",
        "0.4.3b3",
        "0.5.0",
        "0.5.0.post1",
        "0.5.0.post2",
        "0.5.0.post3",
        "0.5.0.post4",
        "0.5.0.post5",
        "0.5.0.post6",
        "0.5.0.post7",
        "0.5.0.post8",
        "0.6.0",
        "0.6.0rc1",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "0.7.0",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.7.5",
        "0.7.6",
        "0.7.7",
        "0.7.8",
        "0.8.0",
        "0.8.5",
        "0.8.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-56265",
    "GHSA-8qrg-7j2f-rf2h"
  ],
  "details": "Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected functionality.",
  "id": "PYSEC-2026-239",
  "modified": "2026-07-09T14:40:00Z",
  "published": "2026-06-21T14:16:24.980Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-8qrg-7j2f-rf2h"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-key"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/unclecode/crawl4ai"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

PYSEC-2026-3443

Vulnerability from pysec - Published: 2026-07-10 15:16 - Updated: 2026-07-14 09:57

Details

Crawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which accept webhook URLs without destination validation. An attacker can supply webhook URLs pointing to private or internal IP ranges, Docker networks, or cloud metadata endpoints (e.g. 169.254.169.254), causing the server to make requests to internal services and potentially expose cloud metadata.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Impacted products

Name	purl
crawl4ai	pkg:pypi/crawl4ai

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "crawl4ai",
        "purl": "pkg:pypi/crawl4ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.3.71",
        "0.3.72",
        "0.3.73",
        "0.3.731",
        "0.3.74",
        "0.3.741",
        "0.3.742",
        "0.3.743",
        "0.3.744",
        "0.3.745",
        "0.3.746",
        "0.3.8",
        "0.4.0",
        "0.4.1",
        "0.4.21",
        "0.4.22",
        "0.4.23",
        "0.4.24",
        "0.4.241",
        "0.4.242",
        "0.4.243",
        "0.4.244",
        "0.4.245",
        "0.4.246",
        "0.4.247",
        "0.4.248",
        "0.4.248b3",
        "0.4.3b1",
        "0.4.3b2",
        "0.4.3b3",
        "0.5.0",
        "0.5.0.post1",
        "0.5.0.post2",
        "0.5.0.post3",
        "0.5.0.post4",
        "0.5.0.post5",
        "0.5.0.post6",
        "0.5.0.post7",
        "0.5.0.post8",
        "0.6.0",
        "0.6.0rc1",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "0.7.0",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.7.5",
        "0.7.6",
        "0.7.7",
        "0.7.8",
        "0.8.0",
        "0.8.5",
        "0.8.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-56261",
    "GHSA-f23g-2f38-gg94"
  ],
  "details": "Crawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server\u0027s /crawl/job and /llm/job endpoints, which accept webhook URLs without destination validation. An attacker can supply webhook URLs pointing to private or internal IP ranges, Docker networks, or cloud metadata endpoints (e.g. 169.254.169.254), causing the server to make requests to internal services and potentially expose cloud metadata.",
  "id": "PYSEC-2026-3443",
  "modified": "2026-07-14T09:57:51.332029Z",
  "published": "2026-07-10T15:16:42.017Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-server-side-request-forgery-via-webhook-urls"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/unclecode/crawl4ai"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-f23g-2f38-gg94"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

PYSEC-2026-3449

Vulnerability from pysec - Published: 2026-07-12 12:16 - Updated: 2026-07-15 12:30

Details

Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The output_path parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply absolute or path-traversal values to write to any location writable by the application's user, overwriting server files and causing denial of service.

Severity

8.8 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Impacted products

Name	purl
crawl4ai	pkg:pypi/crawl4ai

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "crawl4ai",
        "purl": "pkg:pypi/crawl4ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.3.71",
        "0.3.72",
        "0.3.73",
        "0.3.731",
        "0.3.74",
        "0.3.741",
        "0.3.742",
        "0.3.743",
        "0.3.744",
        "0.3.745",
        "0.3.746",
        "0.3.8",
        "0.4.0",
        "0.4.1",
        "0.4.21",
        "0.4.22",
        "0.4.23",
        "0.4.24",
        "0.4.241",
        "0.4.242",
        "0.4.243",
        "0.4.244",
        "0.4.245",
        "0.4.246",
        "0.4.247",
        "0.4.248",
        "0.4.248b3",
        "0.4.3b1",
        "0.4.3b2",
        "0.4.3b3",
        "0.5.0",
        "0.5.0.post1",
        "0.5.0.post2",
        "0.5.0.post3",
        "0.5.0.post4",
        "0.5.0.post5",
        "0.5.0.post6",
        "0.5.0.post7",
        "0.5.0.post8",
        "0.6.0",
        "0.6.0rc1",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "0.7.0",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.7.5",
        "0.7.6",
        "0.7.7",
        "0.7.8",
        "0.8.0",
        "0.8.5",
        "0.8.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-56260",
    "GHSA-r9hw-78q5-478g"
  ],
  "details": "Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server\u0027s /screenshot and /pdf endpoints. The output_path parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply absolute or path-traversal values to write to any location writable by the application\u0027s user, overwriting server files and causing denial of service.",
  "id": "PYSEC-2026-3449",
  "modified": "2026-07-15T12:30:48.225994Z",
  "published": "2026-07-12T12:16:45.153Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-arbitrary-file-write-via-output-path-parameter"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/unclecode/crawl4ai"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-r9hw-78q5-478g"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

PYSEC-2026-596

Vulnerability from pysec - Published: 2026-06-22 22:16 - Updated: 2026-07-01 17:16

Details

Severity

8.6 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Impacted products

Name	purl
crawl4ai	pkg:pypi/crawl4ai

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "crawl4ai",
        "purl": "pkg:pypi/crawl4ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.3.71",
        "0.3.72",
        "0.3.73",
        "0.3.731",
        "0.3.74",
        "0.3.741",
        "0.3.742",
        "0.3.743",
        "0.3.744",
        "0.3.745",
        "0.3.746",
        "0.3.8",
        "0.4.0",
        "0.4.1",
        "0.4.21",
        "0.4.22",
        "0.4.23",
        "0.4.24",
        "0.4.241",
        "0.4.242",
        "0.4.243",
        "0.4.244",
        "0.4.245",
        "0.4.246",
        "0.4.247",
        "0.4.248",
        "0.4.248b3",
        "0.4.3b1",
        "0.4.3b2",
        "0.4.3b3",
        "0.5.0",
        "0.5.0.post1",
        "0.5.0.post2",
        "0.5.0.post3",
        "0.5.0.post4",
        "0.5.0.post5",
        "0.5.0.post6",
        "0.5.0.post7",
        "0.5.0.post8",
        "0.6.0",
        "0.6.0rc1",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "0.7.0",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.7.5",
        "0.7.6",
        "0.7.7",
        "0.7.8",
        "0.8.0",
        "0.8.5",
        "0.8.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-56266",
    "GHSA-365w-hqf6-vxfg"
  ],
  "details": "Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reach internal services and cloud metadata endpoints.",
  "id": "PYSEC-2026-596",
  "modified": "2026-07-01T17:16:09.324766Z",
  "published": "2026-06-22T22:16:50.937Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-server-side-request-forgery-via-direct-crawl-endpoints"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/unclecode/crawl4ai"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

PYSEC-2026-798

Vulnerability from pysec - Published: 2026-06-30 23:17 - Updated: 2026-07-09 14:40

Details

Crawl4AI before 0.8.7 contains an arbitrary JavaScript execution vulnerability in the Docker API server's /execute_js endpoint, which accepts and executes arbitrary user-supplied JavaScript in the server's browser context with --disable-web-security enabled. An attacker can execute arbitrary JavaScript and, combined with the browser's relaxed security settings, perform server-side request forgery against internal services.

Severity

6.1 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Impacted products

Name	purl
crawl4ai	pkg:pypi/crawl4ai

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "crawl4ai",
        "purl": "pkg:pypi/crawl4ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.3.71",
        "0.3.72",
        "0.3.73",
        "0.3.731",
        "0.3.74",
        "0.3.741",
        "0.3.742",
        "0.3.743",
        "0.3.744",
        "0.3.745",
        "0.3.746",
        "0.3.8",
        "0.4.0",
        "0.4.1",
        "0.4.21",
        "0.4.22",
        "0.4.23",
        "0.4.24",
        "0.4.241",
        "0.4.242",
        "0.4.243",
        "0.4.244",
        "0.4.245",
        "0.4.246",
        "0.4.247",
        "0.4.248",
        "0.4.248b3",
        "0.4.3b1",
        "0.4.3b2",
        "0.4.3b3",
        "0.5.0",
        "0.5.0.post1",
        "0.5.0.post2",
        "0.5.0.post3",
        "0.5.0.post4",
        "0.5.0.post5",
        "0.5.0.post6",
        "0.5.0.post7",
        "0.5.0.post8",
        "0.6.0",
        "0.6.0rc1",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "0.7.0",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.7.5",
        "0.7.6",
        "0.7.7",
        "0.7.8",
        "0.8.0",
        "0.8.5",
        "0.8.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-56264",
    "GHSA-g2pv-76hm-j4x9"
  ],
  "details": "Crawl4AI before 0.8.7 contains an arbitrary JavaScript execution vulnerability in the Docker API server\u0027s /execute_js endpoint, which accepts and executes arbitrary user-supplied JavaScript in the server\u0027s browser context with --disable-web-security enabled. An attacker can execute arbitrary JavaScript and, combined with the browser\u0027s relaxed security settings, perform server-side request forgery against internal services.",
  "id": "PYSEC-2026-798",
  "modified": "2026-07-09T14:40:00Z",
  "published": "2026-06-30T23:17:29.363Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-g2pv-76hm-j4x9"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/crawl4ai-arbitrary-javascript-execution-via-execute-js-endpoint"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/unclecode/crawl4ai"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

Summary

Vulnerabilities

1. Arbitrary File Write via /screenshot and /pdf (CWE-22, CVSS 9.1)

2. SSRF via Webhook URL (CWE-918, CVSS 8.6)

3. Authentication Bypass on Monitor Endpoints (CWE-306, CVSS 6.5)

4. Stored XSS in Monitor Dashboard (CWE-79, CVSS 6.1)

5. Arbitrary JavaScript Execution via /execute_js (CWE-94, CVSS 8.1)

6. Hardcoded JWT Secret Key (CWE-798, CVSS 9.8)

7. SSRF via Direct Crawl Endpoints /crawl, /md, /llm (CWE-918, CVSS 8.6)

Workarounds

Credits

CVE-2026-56266 (GCVE-0-2026-56266)

Tags

Sightings

Nomenclature

Related by attack behaviour