| Name | CVE-2026-41425 |
| Description | Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.11, there is no CSRF protection on the cache feature in authlib.integrations.starlette_client.OAuth. This vulnerability is fixed in 1.6.11. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| python-authlib (PTS) | bullseye | 0.15.4-1 | fixed |
| bullseye (security) | 0.15.4-1+deb11u2 | fixed |
| bookworm | 1.2.0-1+deb12u1 | vulnerable |
| trixie | 1.6.0-1+deb13u1 | vulnerable |
| forky, sid | 1.7.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - python-authlib <not-affected> (Vulnerable code not present)
https://github.com/authlib/authlib/security/advisories/GHSA-jj8c-mmj3-mmgv
Fixed by: https://github.com/authlib/authlib/commit/401a7709c3fe43bce1b2105d16a475b688faa788 (v1.6.11)