CVE-2026-94276
Medium
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.
SeverityMedium
CVSS5.1
Exploit probability—
Product
Apache APISIX
PublishedOct 1, 2026
First seenOct 1, 2026
Weakness typeCWE-287Improper authentication
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache Software Foundation Apache APISIX | 3.12.0 ≤ v ≤ 3.18.0 | — |
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