{"id":"BIT-apisix-2026-94276","summary":"Apache APISIX: Openid-connect introspection validation issue","details":"Improper Authentication vulnerability in Apache APISIX.\n\nOn 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.\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","aliases":["CVE-2026-94276"],"modified":"2026-10-09T12:00:08.202060202Z","published":"2026-10-09T10:43:51.802Z","database_specific":{"cpes":["cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/10/01/8"},{"type":"WEB","url":"https://lists.apache.org/thread.html/txn3br25kl657fh15rwcy1oht1xbpyyk"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94276"}],"affected":[{"package":{"name":"apisix","ecosystem":"Bitnami","purl":"pkg:bitnami/apisix"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.12.0"},{"fixed":"3.19.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/apisix/BIT-apisix-2026-94276.json"},"severity":[{"type":"CVSS_V4","score":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.0"}