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8.8

Weblate User Patching API Allows Unauthorized Edits

CVE-2026-34393 GHSA-3382-gw9x-477v
Summary

Weblate's user patching API in older versions allowed anyone to make changes to translations without proper authorization. This could lead to unauthorized edits being made to translations. Update to Weblate version 5.17 or later to fix this issue.

What to do
  • Update weblate to version 5.17.
Affected software
Ecosystem VendorProductAffected versions
pip – weblate < 5.17
Fix: upgrade to 5.17
Original title
Weblate: Privilege escalation in the user API endpoint
Original description
### 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.
nvd CVSS3.1 8.8
Vulnerability type
CWE-269 Improper Privilege Management
Published: 16 Apr 2026 · Updated: 16 Apr 2026 · First seen: 15 Apr 2026