CVE-2026-94276: Apache Software Foundation Apache APISIX

Medium severity, CVSS 5.1. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Apache Software Foundation Apache APISIX: from 3.12.0, up to and including 3.18.0

Published 2026-10-01. Last modified 2026-10-01.