CVE-2026-94276

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.

  • Published Oct 1, 2026
  • CVSS 5.1 medium
  • 0.5% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-94276 at the National Vulnerability Database