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CVE-2026-41425

Medium

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.

SeverityMedium
CVSS5.4
Exploit probability—
ProductAuthlib
PublishedApr 24, 2026
First seenApr 24, 2026
Weakness typeCWE-352Cross-site request forgery (CSRF)

How to fix

Update
  • authlib authlib1.6.11 or later
  • authlib1.6.11 or later

Affected products

ProductAffected versionsFixed in
authlib authlibv < 1.6.111.6.11
authlibPyPIv < 1.6.111.6.11

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