GHSA-3G2F-4RJG-9385

Vulnerability from github – Published: 2026-01-14 16:45 – Updated: 2026-01-14 19:50
VLAI?
Summary
Weblate leaks information via screenshots
Details

Impact

The screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename.

Patches

  • https://github.com/WeblateOrg/weblate/pull/17516

References

Thanks to Lukas May and Michael Leu for reporting this.

Severity ?
2.3 (Low)
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "weblate"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.15.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-21889"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-14T16:45:07Z",
    "nvd_published_at": "2026-01-14T17:16:07Z",
    "severity": "LOW"
  },
  "details": "### Impact\nThe screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/17516\n\n### References\n\nThanks to Lukas May and Michael Leu for reporting this.",
  "id": "GHSA-3g2f-4rjg-9385",
  "modified": "2026-01-14T19:50:09Z",
  "published": "2026-01-14T16:45:07Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3g2f-4rjg-9385"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21889"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/pull/17516"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/commit/a6eb5fd0299780eca286be8ff187dc2d10feec47"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WeblateOrg/weblate"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Weblate leaks information via screenshots"
}


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Sightings

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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.



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