Vulnerability-Lookup

GHSA-MQPH-7H49-HQFM

Vulnerability from github – Published: 2026-04-16 20:41 – Updated: 2026-06-08 19:54

Summary

Weblate: JavaScript localization CDN add-on allows arbitrary local file read outside the repository

Details

Impact

The translation memory API exposed unintended endpoints, which in turn didn't do proper access control.

Patches

https://github.com/WeblateOrg/weblate/pull/18516

Workarounds

The CDN add-on is not enabled by default.

References

Thanks to @spbavarva for reporting this responsibly via GitHub.

Severity

6.8 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "Weblate"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33220"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200",
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-16T20:41:29Z",
    "nvd_published_at": "2026-04-15T19:16:35Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nThe translation memory API exposed unintended endpoints, which in turn didn\u0027t do proper access control.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/18516\n\n### Workarounds\nThe CDN add-on is not enabled by default.\n\n### References\nThanks to @spbavarva for reporting this responsibly via GitHub.",
  "id": "GHSA-mqph-7h49-hqfm",
  "modified": "2026-06-08T19:54:08Z",
  "published": "2026-04-16T20:41:29Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-mqph-7h49-hqfm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33220"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/pull/18516"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WeblateOrg/weblate"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/weblate/PYSEC-2026-153.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Weblate: JavaScript localization CDN add-on allows arbitrary local file read outside the repository"
}

CVE-2026-33220 (GCVE-0-2026-33220)

Vulnerability from cvelistv5 – Published: 2026-04-15 18:03 – Updated: 2026-04-16 14:10

Title

Weblate: JavaScript localization CDN add-on allows arbitrary local file read outside the repository

Summary

Weblate is a web based localization tool. In versions prior to 5.17, the translation memory API exposed unintended endpoints, which in turn didn't perform proper access control. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable this feature as the CDN add-on is not enabled by default.

Severity

6.8 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-16 14:09 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

GitHub_M mitre root Scorecard

References

2 references

URL	Tags
https://github.com/WeblateOrg/weblate/security/ad…	x_refsource_CONFIRM
https://github.com/WeblateOrg/weblate/pull/18516	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
WeblateOrg	weblate	Affected: < 5.17

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-33220",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-16T14:09:48.641668Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-16T14:10:15.340Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "weblate",
          "vendor": "WeblateOrg",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 5.17"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Weblate is a web based localization tool. In versions prior to 5.17, the translation memory API exposed unintended endpoints, which in turn didn\u0027t perform proper access control. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable this feature as the CDN add-on is not enabled by default."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-15T18:03:40.728Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-mqph-7h49-hqfm",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-mqph-7h49-hqfm"
        },
        {
          "name": "https://github.com/WeblateOrg/weblate/pull/18516",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/weblate/pull/18516"
        }
      ],
      "source": {
        "advisory": "GHSA-mqph-7h49-hqfm",
        "discovery": "UNKNOWN"
      },
      "title": "Weblate: JavaScript localization CDN add-on allows arbitrary local file read outside the repository"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-33220",
    "datePublished": "2026-04-15T18:03:40.728Z",
    "dateReserved": "2026-03-17T23:23:58.314Z",
    "dateUpdated": "2026-04-16T14:10:15.340Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

PYSEC-2026-153

Vulnerability from pysec - Published: 2026-04-15 19:16 - Updated: 2026-05-20 09:19

Details

Severity

6.8 (Medium)


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

Impacted products

Name	purl
weblate	pkg:pypi/weblate

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "weblate",
        "purl": "pkg:pypi/weblate"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.17"
            }
          ],
          "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",
        "5.2",
        "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-2026-33220",
    "GHSA-mqph-7h49-hqfm"
  ],
  "details": "Weblate is a web based localization tool. In versions prior to 5.17, the translation memory API exposed unintended endpoints, which in turn didn\u0027t perform proper access control. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable this feature as the CDN add-on is not enabled by default.",
  "id": "PYSEC-2026-153",
  "modified": "2026-05-20T09:19:23.903253Z",
  "published": "2026-04-15T19:16:35.130Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-mqph-7h49-hqfm"
    },
    {
      "type": "FIX",
      "url": "https://github.com/WeblateOrg/weblate/pull/18516"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/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

GHSA-MQPH-7H49-HQFM

Impact

Patches

Workarounds

References

CVE-2026-33220 (GCVE-0-2026-33220)

PYSEC-2026-153

Tags

Sightings

Nomenclature

Related by attack behaviour