Traefik v3.6.4 released on 05-12-2025

Traefik v3.6.4 is out now. This release brings crucial security updates and bug fixes that enhance the product’s stability and security for users.
Users need to visit the product GitHub or official pages for more information.
What’s in this release
- Fixed CVEs: CVE-2025-66490 and CVE-2025-66491 with associated advisories.
- Significant bug fixes, including improvements to server behaviour and plugin validation.
- Documentation enhancements, including migration guides and API instruction fixes.
Upgrade notes
- Please read the migration guide for important updates.
- Rollback options are available if necessary.
We invite users to share comments on their experience with this release.