Advisory severityMedium5.1Apache Software Foundation

Medium [CVE-2026-94276] Improper Authentication vulnerability in Apache APISIX

This medium-severity Apache Software Foundation advisory covers CVE-2026-94276 affecting Apache APISIX.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-94276 Source published Oct 1, 2026Source updated Oct 1, 2026

VulniPulse record published Oct 1, 2026Record updated Oct 1, 2026

CVE-2026-94276

Affected products & platforms

Apache Software FoundationInfra & Gateways

Open source advisory

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Summary

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 versions

3.12.0 through 3.18.0.
through 3.18.0

Official advisory · high-confidence parse· fetched 5 days ago·verify at source

Fixed versions

3.19.0

Official advisory · high-confidence parse· fetched 5 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Users are recommended to upgrade to version 3.19.0, which fixes the issue.

Official advisory · high-confidence parse· fetched 5 days ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-94276 instead of the raw feed document.
CVE Program

Cross-references

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CVE-2026-94276NVD CVE.org MITRE

Official resources

ASF Security — reporting & CVE process
Official documentation
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Apache project downloads (fixed releases)
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