Apache APISIX 3.12.0-3.18.0 Improper Auth: OpenID Connect Token Issue
CVE-2026-94276 Published on October 1, 2026
Apache APISIX: Openid-connect introspection validation issue
Improper Authentication vulnerability in Apache APISIX.
On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a route restricted to another. This issue affects Apache APISIX: from 3.12.0 through 3.18.0.
Users are recommended to upgrade to version 3.19.0, which fixes the issue.
Vulnerability Analysis
CVE-2026-94276 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
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-2026-94276 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2026-94276
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Affected Versions
Apache Software Foundation Apache APISIX:- Version 3.12.0, <= 3.18.0 is affected.