CVE-2026-41425

EUVD-2026-25615
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.
CSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 1.2%
Affected Products (NVD)
VendorProductVersion
authlibauthlib
𝑥
< 1.6.11
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-authlib
bookworm
vulnerable
bookworm (security)
1.2.0-1+deb12u2
fixed
bullseye
not-affected
forky
1.7.2-2
fixed
sid
1.7.2-2
fixed
trixie
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python-authlib
jammy
not-affected
noble
Fixed 1.3.0-1ubuntu0.1~esm2
released
questing
ignored
resolute
Fixed 1.6.7-1ubuntu0.1~esm1
released
Common Weakness Enumeration
References
https://github.com/authlib/authlib/security/advisories/GHSA-jj8c-mmj3-mmgv
https://github.com/authlib/authlib/security/advisories/GHSA-jj8c-mmj3-mmgv