Medium severity4.3NVD Advisory· Published Feb 26, 2026· Updated Jun 17, 2026
CVE-2026-27457
CVE-2026-27457
Description
Weblate is a web based localization tool. Prior to version 5.16.1, the REST API's AddonViewSet (weblate/api/views.py, line 2831) uses queryset = Addon.objects.all() without overriding get_queryset() to scope results by user permissions. This allows any authenticated user (or anonymous users if REQUIRE_LOGIN is not set) to list and retrieve ALL addons across all projects and components via GET /api/addons/ and GET /api/addons/{id}/. Version 5.16.1 fixes the issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
weblatePyPI | < 5.16.1 | 5.16.1 |
Affected products
4cpe:2.3:a:weblate:weblate:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:weblate:weblate:*:*:*:*:*:*:*:*range: <5.16.1
- (no CPE)range: < 5.16.1
- ghsa-coords2 versions
< 5.16.1+ 1 more
- (no CPE)range: < 5.16.1
- (no CPE)range: < 5.16.1-1.1
Patches
Vulnerability mechanics
References
8- github.com/WeblateOrg/weblate/commit/3f58f9a4152bc0cbdd6eff5954f9c7bc4d9f0af9nvdPatchWEB
- github.com/WeblateOrg/weblate/commit/7802c9b121eb407c48d4adddd4f2458fb3efef0fnvdPatchWEB
- github.com/WeblateOrg/weblate/pull/18107nvdIssue TrackingPatchWEB
- github.com/WeblateOrg/weblate/pull/18164nvdIssue TrackingPatchWEB
- github.com/WeblateOrg/weblate/security/advisories/GHSA-wppc-7cq7-cgfvnvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-wppc-7cq7-cgfvghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-27457ghsaADVISORY
- github.com/WeblateOrg/weblate/releases/tag/weblate-5.16.1nvdProductRelease NotesWEB
News mentions
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