CVE-2026-41425

Authlib: Cross-site request forging when using cache

State: Published
Severity: 5.4 Medium
Published: Apr 24, 2026
Updated: Apr 27, 2026
Reserved: Apr 20, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N	GitHub_M

Weaknesses

CWE-352 Cross-Site Request Forgery (CSRF)

Affected Products

Product	Versions
authlibauthlib	< 1.6.11Affected

References

https://github.com/authlib/authlib/security/advisories/GHSA-jj8c-mmj3-mmgv

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