CVE-2026-41425

Authlib: Cross-site request forging when using cache

CVSS 5.4 MEDIUMEPSS 0.1%CWE-352

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.4EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

authlib · authlib

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References

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