CVE-2026-27457

The record

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.

Affected packages

Related vulnerabilities

• GHSA-wppc-7cq7-cgfv Weblate: Missing access control for the AddonViewSet API exposes all addon configurations Same vulnerability
• CVE-2026-24126 Weblate is a web based localization tool. Also affects weblate
• GHSA-33fm-6gp7-4p47 Weblate has an argument injection in management console Also affects weblate
• GHSA-3g2f-4rjg-9385 Weblate leaks information via screenshots Also affects weblate
• CVE-2026-21889 Weblate leaks information via screenshots Also affects weblate
• GHSA-8vcg-cfxj-p5m3 Weblate is vulnerable to RCE through Git config file overwrite Also affects weblate
• CVE-2025-68398 Weblate is a web based localization tool. Also affects weblate
• GHSA-g925-f788-4jh7 Weblate has an arbitrary file read via symbolic links Also affects weblate