GHSA-2P9G-X3CV-5HH4

Vulnerability from github – Published: 2026-08-28 18:46 – Updated: 2026-08-28 18:46
VLAI
Summary
Private Weblate projects vulnerable to observable object existence disclosure via globally scoped object lookups
Details

Impact

The several endpoints could leak object existence information to users who had no access to it by HTTP status code 403 instead of 404.

Patches

  • https://github.com/WeblateOrg/weblate/pull/19971

References

Thanks to Yaohui Wang for reporting this via GitHub.

Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "weblate"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-55227"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-203"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-08-28T18:46:54Z",
    "nvd_published_at": "2026-08-26T21:16:38Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nThe several endpoints could leak object existence information to users who had no access to it by HTTP status code 403 instead of 404.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/19971\n\n### References\nThanks to Yaohui Wang for reporting this via GitHub.",
  "id": "GHSA-2p9g-x3cv-5hh4",
  "modified": "2026-08-28T18:46:54Z",
  "published": "2026-08-28T18:46:54Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-2p9g-x3cv-5hh4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55227"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/pull/19971"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/commit/836bc082803d49d02f2831ec8339268eb66bcdae"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WeblateOrg/weblate"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-2026.7"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Private Weblate projects vulnerable to observable object existence disclosure via globally scoped object lookups"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.