GHSA-3382-GW9X-477V

Vulnerability from github – Published: 2026-04-16 20:43 – Updated: 2026-04-16 20:43
VLAI?
Summary
Weblate: Privilege escalation in the user API endpoint
Details

Impact

The user patching API endpoint didn't properly limit the scope of edits.

Patches

  • https://github.com/WeblateOrg/weblate/pull/18687

References

Thanks to @tikket1 and @DavidCarliez for reporting this via GitHub. We received two individual reports for this.

Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "weblate"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-34393"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-16T20:43:48Z",
    "nvd_published_at": "2026-04-15T19:16:36Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nThe user patching API endpoint didn\u0027t properly limit the scope of edits.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/18687\n\n\n### References\nThanks to @tikket1 and @DavidCarliez for reporting this via GitHub. We received two individual reports for this.",
  "id": "GHSA-3382-gw9x-477v",
  "modified": "2026-04-16T20:43:49Z",
  "published": "2026-04-16T20:43:48Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3382-gw9x-477v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34393"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/weblate/pull/18687"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WeblateOrg/weblate"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Weblate: Privilege escalation in the user API endpoint"
}


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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.



Detection rules are retrieved from Rulezet.