{"id":"BIT-apisix-2026-31908","summary":"Apache APISIX: forward auth plugin allows header injection","details":"Header injection vulnerability in Apache APISIX.\n\nThe attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers.\nThis issue affects Apache APISIX: from 2.12.0 through 3.15.0.\n\nUsers are recommended to upgrade to version 3.16.0, which fixes the issue.","aliases":["CVE-2026-31908"],"modified":"2026-09-08T08:45:32.630955292Z","published":"2026-04-16T23:36:03.898Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/04/14/3"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/sob643s5lztov7x579j8o0c444t36n6b"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31908"}],"affected":[{"package":{"name":"apisix","ecosystem":"Bitnami","purl":"pkg:bitnami/apisix"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.12.0"},{"fixed":"3.16.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/apisix/BIT-apisix-2026-31908.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}],"schema_version":"1.9.0"}