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7 vulnerabilities found for crawl4ai by unclecode
CVE-2026-53753 (GCVE-0-2026-53753)
Vulnerability from cvelistv5 – Published: 2026-06-23 18:17 – Updated: 2026-06-23 18:55
VLAI
Title
Crawl4AI: AST Sandbox Escape via gi_frame.f_back Chain - Pre-Auth RCE in Docker API
Summary
Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.7, the _safe_eval_expression() function in the computed fields feature uses an AST validator that only blocks attributes starting with underscore. Python generator and frame object attributes (gi_frame, f_back, f_builtins) do NOT start with underscore, enabling a complete sandbox escape to achieve arbitrary code execution. The attack requires no authentication (JWT disabled by default) and is triggered via POST /crawl with a crafted extraction schema. This vulnerability is fixed in 0.8.7.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | x_refsource_CONFIRM |
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}
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"metrics": [
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}
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CVE-2026-53754 (GCVE-0-2026-53754)
Vulnerability from cvelistv5 – Published: 2026-06-23 18:16 – Updated: 2026-06-23 18:54
VLAI
Title
Crawl4AI: SSRF filter bypass in Docker server via IPv6 transition forms (NAT64 / 6to4 / unspecified / v4-mapped)
Summary
Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.8, the Docker API server's SSRF protection (validate_webhook_url / validate_url_destination in deploy/docker/utils.py) used an explicit IPv4/IPv6 CIDR blocklist that missed several address families. An attacker could reach internal services and cloud metadata endpoints (e.g. 169.254.169.254) despite the filter by encoding an internal IPv4 address inside an IPv6 transition form, or by using the IPv6 unspecified address. Because the Docker API is unauthenticated by default (jwt_enabled: false), no credentials are required. This vulnerability is fixed in 0.8.8.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | x_refsource_CONFIRM |
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}
],
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"confidentialityImpact": "HIGH",
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CVE-2026-53755 (GCVE-0-2026-53755)
Vulnerability from cvelistv5 – Published: 2026-06-23 18:15 – Updated: 2026-06-23 18:15
VLAI
Title
Crawl4AI: SSRF via proxy settings in the Docker server bypasses the crawl-URL SSRF check
Summary
Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.9, the Docker API server applied its SSRF destination check to the crawl target URL only, not to the proxy address. An unauthenticated request could supply a proxy pointing at an internal IP and route the browser through it, reaching internal services and cloud-metadata endpoints, while using a perfectly valid crawl URL. The Docker API is unauthenticated by default. /crawl, /crawl/stream, and /crawl/job accept a browser_config (and crawler_config). The following all feed Chromium's egress and were unchecked: browser_config.proxy_config.server, browser_config.proxy (deprecated field), crawler_config.proxy_config.server, and --proxy-server / --proxy-pac-url / --proxy-bypass-list / --host-resolver-rules flags in browser_config.extra_args. This vulnerability is fixed in 0.8.9.
Severity
8.6 (High)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | x_refsource_CONFIRM |
{
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"cna": {
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"product": "crawl4ai",
"vendor": "unclecode",
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}
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}
],
"metrics": [
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CVE-2026-26217 (GCVE-0-2026-26217)
Vulnerability from cvelistv5 – Published: 2026-02-12 15:33 – Updated: 2026-06-23 16:13
VLAI
Title
Crawl4AI < 0.8.0 Docker API Local File Inclusion via file URL Handling
Summary
Crawl4AI versions prior to 0.8.0 contain a local file inclusion vulnerability in the Docker API deployment. The /execute_js, /screenshot, /pdf, and /html endpoints accept file:// URLs, allowing unauthenticated remote attackers to read arbitrary files from the server filesystem. An attacker can access sensitive files such as /etc/passwd, /etc/shadow, application configuration files, and environment variables via /proc/self/environ, potentially exposing credentials, API keys, and internal application structure.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | vendor-advisory |
| https://github.com/unclecode/crawl4ai/blob/main/d… | release-notes |
| https://www.vulncheck.com/advisories/crawl4ai-doc… | third-party-advisory |
Impacted products
Credits
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}
],
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"timestamp": "2026-02-12T15:52:49.030580Z",
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}
}
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],
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"product": "Crawl4AI",
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"vendor": "unclecode",
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{
"lang": "en",
"type": "finder",
"value": "Neo by ProjectDiscovery (https://neo.projectdiscovery.io)"
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}
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"Recovery": "NOT_DEFINED",
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"references": [
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"x_generator": {
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CVE-2026-26216 (GCVE-0-2026-26216)
Vulnerability from cvelistv5 – Published: 2026-02-12 15:31 – Updated: 2026-06-23 16:13
VLAI
Title
Crawl4AI < 0.8.0 Docker API Unauthenticated Remote Code Execution via Hooks Parameter
Summary
Crawl4AI versions prior to 0.8.0 contain a remote code execution vulnerability in the Docker API deployment. The /crawl endpoint accepts a hooks parameter containing Python code that is executed using exec(). The __import__ builtin was included in the allowed builtins, allowing unauthenticated remote attackers to import arbitrary modules and execute system commands. Successful exploitation allows full server compromise, including arbitrary command execution, file read and write access, sensitive data exfiltration, and lateral movement within internal networks.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | vendor-advisory |
| https://github.com/unclecode/crawl4ai/blob/main/d… | release-notes |
| https://www.vulncheck.com/advisories/crawl4ai-doc… | third-party-advisory |
Impacted products
Credits
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},
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}
],
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"timestamp": "2026-02-12T21:01:07.012019Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
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"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
"defaultStatus": "unaffected",
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CVE-2026-26217 (GCVE-0-2026-26217)
Vulnerability from nvd – Published: 2026-02-12 15:33 – Updated: 2026-06-23 16:13
VLAI
Title
Crawl4AI < 0.8.0 Docker API Local File Inclusion via file URL Handling
Summary
Crawl4AI versions prior to 0.8.0 contain a local file inclusion vulnerability in the Docker API deployment. The /execute_js, /screenshot, /pdf, and /html endpoints accept file:// URLs, allowing unauthenticated remote attackers to read arbitrary files from the server filesystem. An attacker can access sensitive files such as /etc/passwd, /etc/shadow, application configuration files, and environment variables via /proc/self/environ, potentially exposing credentials, API keys, and internal application structure.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | vendor-advisory |
| https://github.com/unclecode/crawl4ai/blob/main/d… | release-notes |
| https://www.vulncheck.com/advisories/crawl4ai-doc… | third-party-advisory |
Impacted products
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CVE-2026-26216 (GCVE-0-2026-26216)
Vulnerability from nvd – Published: 2026-02-12 15:31 – Updated: 2026-06-23 16:13
VLAI
Title
Crawl4AI < 0.8.0 Docker API Unauthenticated Remote Code Execution via Hooks Parameter
Summary
Crawl4AI versions prior to 0.8.0 contain a remote code execution vulnerability in the Docker API deployment. The /crawl endpoint accepts a hooks parameter containing Python code that is executed using exec(). The __import__ builtin was included in the allowed builtins, allowing unauthenticated remote attackers to import arbitrary modules and execute system commands. Successful exploitation allows full server compromise, including arbitrary command execution, file read and write access, sensitive data exfiltration, and lateral movement within internal networks.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | vendor-advisory |
| https://github.com/unclecode/crawl4ai/blob/main/d… | release-notes |
| https://www.vulncheck.com/advisories/crawl4ai-doc… | third-party-advisory |
Impacted products
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