Vulnerability-Lookup

CVE-2026-41654 (GCVE-0-2026-41654)

Vulnerability from cvelistv5 – Published: 2026-05-07 13:40 – Updated: 2026-05-08 14:23

Title

Weblate is Vulnerable to Authenticated SSRF via Project Backup Import bypassing validate_repo_url

Summary

Weblate is a web based localization tool. Prior to version 5.17.1, an authenticated user with project.add permission (default on hosted Weblate SaaS and for any user holding an active billing/trial plan) can import a crafted project backup ZIP whose components/<name>.json contains an attacker-chosen repo URL pointing at a private address (e.g. http://127.0.0.1:9999/) or using a non-allow-listed scheme (e.g. file://, git://). Weblate persists the component via Component.objects.bulk_create([component])[0], which bypasses Django's full_clean() and therefore never runs the validate_repo_url validator. The URL is subsequently written verbatim into .git/config by configure_repo(pull=False). This issue has been patched in version 5.17.1.

Severity

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-08 14:23 UTC

CWE

CWE-20 - Improper Input Validation
CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

GitHub_M mitre root

References

6 references

URL	Tags
https://github.com/WeblateOrg/weblate/security/ad…	x_refsource_CONFIRM
https://github.com/WeblateOrg/weblate/pull/19061	x_refsource_MISC
https://github.com/WeblateOrg/weblate/pull/19062	x_refsource_MISC
https://github.com/WeblateOrg/weblate/commit/e1ef…	x_refsource_MISC
https://github.com/WeblateOrg/weblate/commit/e4b6…	x_refsource_MISC
https://github.com/WeblateOrg/weblate/releases/ta…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
WeblateOrg	weblate	Affected: < 5.17.1	guessed

Show details on NVD website

JSON

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}

FKIE_CVE-2026-41654

Vulnerability from fkie_nvd - Published: 2026-05-07 15:16 - Updated: 2026-06-17 10:46

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/WeblateOrg/weblate/commit/e1eff1f517c1ee315d69581910baaabb724e5ef0	Patch
security-advisories@github.com	https://github.com/WeblateOrg/weblate/commit/e4b67a76d95d5165ecb9937f7485fd79223b7f14	Patch
security-advisories@github.com	https://github.com/WeblateOrg/weblate/pull/19061	Issue Tracking, Patch
security-advisories@github.com	https://github.com/WeblateOrg/weblate/pull/19062	Issue Tracking, Patch
security-advisories@github.com	https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1	Release Notes
security-advisories@github.com	https://github.com/WeblateOrg/weblate/security/advisories/GHSA-cwcx-382v-8m9g	Patch, Vendor Advisory

Impacted products

	Vendor	Product	Version
	weblate	weblate	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "weblate",
          "vendor": "WeblateOrg",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 5.17.1"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:weblate:weblate:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "883115A9-8BF0-460B-B711-BDC6C4FCBE10",
              "versionEndExcluding": "5.17.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Weblate is a web based localization tool. Prior to version 5.17.1, an authenticated user with project.add permission (default on hosted Weblate SaaS and for any user holding an active billing/trial plan) can import a crafted project backup ZIP whose components/\u003cname\u003e.json contains an attacker-chosen repo URL pointing at a private address (e.g. http://127.0.0.1:9999/) or using a non-allow-listed scheme (e.g. file://, git://). Weblate persists the component via Component.objects.bulk_create([component])[0], which bypasses Django\u0027s full_clean() and therefore never runs the validate_repo_url validator. The URL is subsequently written verbatim into .git/config by configure_repo(pull=False). This issue has been patched in version 5.17.1."
    }
  ],
  "id": "CVE-2026-41654",
  "lastModified": "2026-06-17T10:46:56.947",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-41654",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-08T14:23:34.840796Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-07T15:16:07.907",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/WeblateOrg/weblate/commit/e1eff1f517c1ee315d69581910baaabb724e5ef0"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/WeblateOrg/weblate/commit/e4b67a76d95d5165ecb9937f7485fd79223b7f14"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/WeblateOrg/weblate/pull/19061"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/WeblateOrg/weblate/pull/19062"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-cwcx-382v-8m9g"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-CWCX-382V-8M9G

Vulnerability from github – Published: 2026-04-30 17:28 – Updated: 2026-05-08 21:47

Summary

Weblate Vulnerable to Authenticated SSRF via Project Backup Import bypassing validate_repo_url

Details

Impact

An authenticated user with project.add permission (default on hosted Weblate SaaS and for any user holding an active billing/trial plan) can import a crafted project backup ZIP whose components/<name>.json contains an attacker-chosen repo URL pointing at a private address (e.g. http://127.0.0.1:9999/) or using a non-allow-listed scheme (e.g. file://, git://). Weblate persists the component via Component.objects.bulk_create([component])[0], which bypasses Django's full_clean() and therefore never runs the validate_repo_url validator. The URL is subsequently written verbatim into .git/config by configure_repo(pull=False).

Patches

https://github.com/WeblateOrg/weblate/pull/19061
https://github.com/WeblateOrg/weblate/pull/19062

Workarounds

Limiting who can create projects limits the scope.

Resources

Weblate thanks @fg0x0 for reporting this vulnerability via GitHub.

Severity

5.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "weblate"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.17.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-41654"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-30T17:28:41Z",
    "nvd_published_at": "2026-05-07T15:16:07Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nAn authenticated user with `project.add` permission (default on hosted Weblate SaaS and for any user holding an active billing/trial plan) can import a crafted project backup ZIP whose `components/\u003cname\u003e.json` contains an attacker-chosen `repo` URL pointing at a **private address** (e.g. `http://127.0.0.1:9999/`) or using a **non-allow-listed scheme** (e.g. `file://`, `git://`). Weblate persists the component via `Component.objects.bulk_create([component])[0]`, which bypasses Django\u0027s `full_clean()` and therefore never runs the `validate_repo_url` validator. The URL is subsequently written verbatim into `.git/config` by `configure_repo(pull=False)`.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/19061\n* https://github.com/WeblateOrg/weblate/pull/19062 \n\n### Workarounds\nLimiting who can create projects limits the scope.\n\n### Resources\nWeblate thanks @fg0x0 for reporting this vulnerability via GitHub.",
  "id": "GHSA-cwcx-382v-8m9g",
  "modified": "2026-05-08T21:47:36Z",
  "published": "2026-04-30T17:28:41Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-cwcx-382v-8m9g"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41654"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/pull/19061"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/pull/19062"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/commit/e1eff1f517c1ee315d69581910baaabb724e5ef0"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/commit/e4b67a76d95d5165ecb9937f7485fd79223b7f14"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WeblateOrg/weblate"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Weblate Vulnerable to Authenticated SSRF via Project Backup Import bypassing validate_repo_url"
}

OPENSUSE-SU-2026:10929-1

Vulnerability from csaf_opensuse - Published: 2026-06-01 00:00 - Updated: 2026-09-17 17:07

Summary

weblate-5.17.1-1.1 on GA media

Severity

Moderate

Scope

4 vulnerabilities in this advisory, including CVE-2026-41654.

CVE-2026-41654

8.1 (High)


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

Recommended: 4 products

Open the full advisory

PYSEC-2026-2317

Vulnerability from pysec - Published: 2026-05-07 15:16 - Updated: 2026-07-13 05:52

Details

Weblate is a web based localization tool. Prior to version 5.17.1, an authenticated user with project.add permission (default on hosted Weblate SaaS and for any user holding an active billing/trial plan) can import a crafted project backup ZIP whose components/.json contains an attacker-chosen repo URL pointing at a private address (e.g. http://127.0.0.1:9999/) or using a non-allow-listed scheme (e.g. file://, git://). Weblate persists the component via Component.objects.bulk_create([component])[0], which bypasses Django's full_clean() and therefore never runs the validate_repo_url validator. The URL is subsequently written verbatim into .git/config by configure_repo(pull=False). This issue has been patched in version 5.17.1.

Severity

8.1 (High)


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

Impacted products

Name	purl
weblate	pkg:pypi/weblate

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "weblate",
        "purl": "pkg:pypi/weblate"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.17.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9",
        "2.0",
        "2.1",
        "2.10",
        "2.10.1",
        "2.11",
        "2.12",
        "2.13",
        "2.13.1",
        "2.14",
        "2.14.1",
        "2.15",
        "2.16",
        "2.17",
        "2.17.1",
        "2.18",
        "2.19",
        "2.19.1",
        "2.2",
        "2.20",
        "2.3",
        "2.4",
        "2.5",
        "2.6",
        "2.7",
        "2.8",
        "2.9",
        "3.0",
        "3.0.1",
        "3.1",
        "3.1.1",
        "3.10",
        "3.10.1",
        "3.10.2",
        "3.10.3",
        "3.11",
        "3.11.1",
        "3.11.2",
        "3.11.3",
        "3.2",
        "3.2.1",
        "3.2.2",
        "3.3",
        "3.4",
        "3.5",
        "3.5.1",
        "3.6",
        "3.6.1",
        "3.7",
        "3.7.1",
        "3.8",
        "3.9",
        "3.9.1",
        "4.0",
        "4.0.1",
        "4.0.2",
        "4.0.3",
        "4.0.4",
        "4.1",
        "4.1.1",
        "4.10",
        "4.10.1",
        "4.11",
        "4.11.1",
        "4.11.2",
        "4.12",
        "4.12.1",
        "4.12.2",
        "4.13",
        "4.13.1",
        "4.14",
        "4.14.1",
        "4.14.2",
        "4.15",
        "4.15.1",
        "4.15.2",
        "4.16",
        "4.16.1",
        "4.16.2",
        "4.16.3",
        "4.16.4",
        "4.17",
        "4.18",
        "4.18.1",
        "4.18.2",
        "4.2",
        "4.2.1",
        "4.2.2",
        "4.3",
        "4.3.1",
        "4.3.2",
        "4.4",
        "4.4.1",
        "4.4.2",
        "4.5",
        "4.5.1",
        "4.5.2",
        "4.5.3",
        "4.6",
        "4.6.1",
        "4.6.2",
        "4.7",
        "4.7.1",
        "4.7.2",
        "4.8",
        "4.8.1",
        "4.9",
        "4.9.1",
        "5.0",
        "5.0.1",
        "5.0.2",
        "5.1",
        "5.1.1",
        "5.10",
        "5.10.1",
        "5.10.2",
        "5.10.3",
        "5.10.4",
        "5.11",
        "5.11.1",
        "5.11.3",
        "5.11.4",
        "5.12.1",
        "5.12.2",
        "5.13",
        "5.13.1",
        "5.13.2",
        "5.13.3",
        "5.14",
        "5.14.1",
        "5.14.2",
        "5.14.3",
        "5.15",
        "5.15.1",
        "5.15.2",
        "5.16",
        "5.16.1",
        "5.16.2",
        "5.17",
        "5.2",
        "5.2.1",
        "5.3",
        "5.3.1",
        "5.4",
        "5.4.1",
        "5.4.2",
        "5.4.3",
        "5.5",
        "5.5.2",
        "5.5.3",
        "5.5.4",
        "5.5.5",
        "5.6",
        "5.6.1",
        "5.6.2",
        "5.7",
        "5.7.1",
        "5.7.2",
        "5.8.1",
        "5.8.2",
        "5.8.3",
        "5.8.4",
        "5.9.1",
        "5.9.2"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-41654",
    "GHSA-cwcx-382v-8m9g"
  ],
  "details": "Weblate is a web based localization tool. Prior to version 5.17.1, an authenticated user with project.add permission (default on hosted Weblate SaaS and for any user holding an active billing/trial plan) can import a crafted project backup ZIP whose components/\u003cname\u003e.json contains an attacker-chosen repo URL pointing at a private address (e.g. http://127.0.0.1:9999/) or using a non-allow-listed scheme (e.g. file://, git://). Weblate persists the component via Component.objects.bulk_create([component])[0], which bypasses Django\u0027s full_clean() and therefore never runs the validate_repo_url validator. The URL is subsequently written verbatim into .git/config by configure_repo(pull=False). This issue has been patched in version 5.17.1.",
  "id": "PYSEC-2026-2317",
  "modified": "2026-07-13T05:52:34.088366Z",
  "published": "2026-05-07T15:16:07.907Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1"
    },
    {
      "type": "FIX",
      "url": "https://github.com/WeblateOrg/weblate/commit/e1eff1f517c1ee315d69581910baaabb724e5ef0"
    },
    {
      "type": "FIX",
      "url": "https://github.com/WeblateOrg/weblate/commit/e4b67a76d95d5165ecb9937f7485fd79223b7f14"
    },
    {
      "type": "FIX",
      "url": "https://github.com/WeblateOrg/weblate/pull/19061"
    },
    {
      "type": "FIX",
      "url": "https://github.com/WeblateOrg/weblate/pull/19062"
    },
    {
      "type": "FIX",
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-cwcx-382v-8m9g"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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.

Detection rules are retrieved from Rulezet.

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

CVE-2026-41654 (GCVE-0-2026-41654)

FKIE_CVE-2026-41654

GHSA-CWCX-382V-8M9G

Impact

Patches

Workarounds

Resources

OPENSUSE-SU-2026:10929-1

PYSEC-2026-2317

Tags

Sightings

Nomenclature

Related by attack behaviour