CVE-2026-41425 MEDIUM

CVE-2026-41425: Authlib: Cross-site request forging when using cache

Vendor Authlib
Product authlib
Weakness CWE-352 · CSRF
Published April 24, 2026
Last update April 27, 2026

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 24, 2026 CVE published
April 27, 2026 Record updated