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Medium · 5.1 CVE-2026-94276 EUVD-2026-90769GHSA-9v5j-4cf2-q593

Apache APISIX: Openid-connect introspection validation issue

Published Oct 1, 2026 · Updated Oct 1, 2026 · Assigned by apache

Description

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

VendorProductAffectedFixed
Apache Software Foundation Apache APISIX 3.12.0 – ≤ 3.18.0 —

References