Is authlib affected by CVE-2026-44681?

PyPI authlib is affected in <1.6.12.

Is CVE-2026-44681 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

medium

CVE-2026-44681

Q: Is CVE-2026-44681 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

PyPI · authlib

Summary

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.12 and 1.7.1, an unauthenticated open redirect in Authlib's OpenIDImplicitGrant and OpenIDHybridGrant authorization endpoint lets a remote attacker cause the authorization server to issue an HTTP 302 to an attack

Severity: medium
EPSS: 0.2% (p8)
Also known as: GHSA-r95x-qfjj-fjj2, PYSEC-2026-188
Published: 2026-05-27

References

https://github.com/authlib/authlib/security/advisories/GHSA-r95x-qfjj-fjj2

Related advisories

CVE-2026-27962 — critical · PyPI/authlib
CVE-2026-28498 — high · PyPI/authlib
CVE-2026-28490 — high · PyPI/authlib
CVE-2026-28802 — high · PyPI/authlib
CVE-2025-61920 — high · PyPI/authlib
CVE-2025-59420 — high · PyPI/authlib
CVE-2026-41479 — medium · PyPI/authlib
CVE-2026-41425 — medium · PyPI/authlib

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.