Severity:
CVSS 4.0: 5.1 (medium)
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
Affected versions:
- Apache APISIX 3.12.0 through 3.18.0
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.
Credit:
sec-reex (reporter)
shreemaan-abhishek (coordinator)
shreemaan-abhishek (remediation developer)
References:
https://apisix.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-94276
