{"id":"CVE-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":["BIT-apisix-2026-31908"],"modified":"2026-07-15T01:49:20.448218304Z","published":"2026-04-14T08:06:18.026Z","database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-75"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31908.json","unresolved_ranges":[{"extracted_events":[{"introduced":"2.12.0"},{"last_affected":"3.15.0"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"2.12.0"},{"fixed":"3.15.0"}],"source":"DESCRIPTION"}]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/04/14/3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31908.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/sob643s5lztov7x579j8o0c444t36n6b"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31908"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/apisix","events":[{"introduced":"6193a307d1842b25456aa3e42a33674a724fb427"},{"fixed":"f9c4ee37170bdfe075c846973c1be65a582a0c4f"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.12.0"},{"fixed":"3.16.0"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31908.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}