{"id":"BIT-apisix-2026-49231","summary":"Apache APISIX: Identity spoofing issue in APISIX opa plugin","details":"Authentication Bypass by Spoofing vulnerability in opa plugin.\n\nAn attacker could relay spoofed identity headers to upstream capitalising on non-default configuration in opa plugin.\n\nThis could allow the attacker to assume higher privileges on the upstream service.\nThis issue affects Apache APISIX: from 3.5.0 through 3.16.0.\n\nUsers are recommended to upgrade to version 3.17.0, which fixes the issue.","aliases":["CVE-2026-49231"],"modified":"2026-09-10T16:01:08.183961780Z","published":"2026-06-23T14:37:50.523Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/06/19/13"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/s1jd1vxm59p6ghx47xhmpjdk1cobo4hn"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49231"}],"affected":[{"package":{"name":"apisix","ecosystem":"Bitnami","purl":"pkg:bitnami/apisix"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.5.0"},{"fixed":"3.18.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/apisix/BIT-apisix-2026-49231.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}],"schema_version":"1.9.0"}