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.
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Fixes

Solution

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Workaround

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History

Thu, 01 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
References

Thu, 01 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
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.
Title Apache APISIX: Openid-connect introspection validation issue
Weaknesses CWE-287
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-01T14:44:30.267Z

Reserved: 2026-09-21T09:22:14.849Z

Link: CVE-2026-94276

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-01T12:17:17.347

Modified: 2026-10-01T14:17:32.017

Link: CVE-2026-94276

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T14:00:10Z

Weaknesses