Improper Auth in Apache APISIX CAS-Auth Plugin (3.0.0-3.16.0)
CVE-2026-49872 Published on June 19, 2026
Apache APISIX: Improper authentication in cas-auth plugin
Improper Authentication vulnerability in Apache APISIX.
When the cas-auth plugin is used in a route, an attacker can possibly authenticate itself with credentials from a different source.
This issue affects Apache APISIX: from 3.0.0 through 3.16.0.
Users are recommended to upgrade to version 3.17.0, which fixes the issue.
Weakness Type
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2026-49872 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2026-49872
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Affected Versions
Apache Software Foundation Apache APISIX:- Version 3.0.0, <= 3.16.0 is affected.