Security Advisory

CVE-2026-28802

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-06 06:44:26

Last updated 2026-03-06 16:05:35

Assigner GitHub_M

State PUBLISHED

Description

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was expected.. This issue has been patched in version 1.6.7.

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