CVE-2026-41519: Weblate's API Token Not Invalidated on Password Change

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-07 · updated 2026-10-26
Weakness: CWE-613

Description

Weblate is a web based localization tool. Prior to version 5.17.1, when a user changes their password, browser sessions are correctly invalidated via "cycle_session_keys()", but DRF API tokens ("wlu_*" prefix) stored in "authtoken_token" are not revoked. This issue has been patched in version 5.17.1.

Affected products

WeblateOrg weblate: before 5.17.1 — fixed in 5.17.1

How to fix

Upgrade to a fixed version: WeblateOrg weblate 5.17.1. Check the vendor advisory for mitigations.

References

https://github.com/WeblateOrg/weblate/commit/649a2da81700542f95c0807b3c625fc3bb0eaf95
https://github.com/WeblateOrg/weblate/pull/19057
https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-6j8j-4qp3-36p2

Get alerted when CVE-2026-41519 or the next vulnerability affects your stack