Authelia v4.39.18 released on 10-04-2026
Authelia v4.39.18 is out now. It restores correct acceptance of successful Duo API responses, so users running Duo 2FA and anyone pulling the official images should upgrade.
See the project’s GitHub release for full details and changelog, and pull the updated containers: docker pull authelia/authelia:4.39.18 or docker pull ghcr.io/authelia/authelia:4.39.18.
What’s in this release
- Bug fix: removes an incorrect response-code check in the Duo integration that could mark successful API calls as failures (see issue #11723, commit 310844b).
- Official container images republished: docker pull authelia/authelia:4.39.18 and docker pull ghcr.io/authelia/authelia:4.39.18.
- Small, focused patch release published 2026-04-10; recommended for users running Duo 2FA or those who pull official images.
Upgrade notes
- Users of Duo 2FA should upgrade to restore correct acceptance of successful Duo responses: pull the updated image and restart your Authelia service.
- Rollback: the release notes do not include specific rollback instructions; keep previous images available if you need to revert.
Share any notes on your upgrade experience or report regressions on the project’s issue tracker.
