CVE-2026-41425

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	vulnerable
	bullseye (security)	0.15.4-1+deb11u1	vulnerable
	bookworm	1.2.0-1	vulnerable
	trixie	1.6.0-1	vulnerable
	forky	1.6.9-1	vulnerable
	sid	1.7.0-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
python-authlib	source	(unstable)	1.7.0-1

Notes

https://github.com/authlib/authlib/security/advisories/GHSA-jj8c-mmj3-mmgv
Fixed by: https://github.com/authlib/authlib/commit/401a7709c3fe43bce1b2105d16a475b688faa788 (v1.6.11)