What is GHSA-9v5j-4cf2-q593?

GHSA-9v5j-4cf2-q593 is a security advisory published by GitHub Security Advisories with Medium severity. Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin...

Which CVE IDs does GHSA-9v5j-4cf2-q593 cover?

GHSA-9v5j-4cf2-q593 covers the following CVE IDs: CVE-2026-94276. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-9v5j-4cf2-q593Medium

Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin...

Vendor

GitHub Security Advisories

Published

October 1, 2026

Last Modified

October 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-94276 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-94276
https://lists.apache.org/thread.html/txn3br25kl657fh15rwcy1oht1xbpyyk
http://www.openwall.com/lists/oss-security/2026/10/01/8
https://github.com/advisories/GHSA-9v5j-4cf2-q593