{"id":"BIT-apisix-2026-82806","summary":"Apache APISIX: cross-request permission pollution via static permission list mutation","details":"Exposure of data element to wrong session vulnerability in Apache APISIX.\n\n\n\nThis issue affects Apache APISIX: from 2.3.0 before 3.7.0.\n\n\n\nUnder a supported authz-keycloak configuration, a request's authorization scope could persist into later requests on the same route, leading to unintended authorization expansion and inconsistent access-control decisions.\n\n\n\nUsers are recommended to upgrade to version 3.7.0 or higher, which fixes the issue.","aliases":["CVE-2026-82806"],"modified":"2026-10-09T12:00:05.382953962Z","published":"2026-10-09T10:43:46.734Z","database_specific":{"cpes":["cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/10/01/3"},{"type":"WEB","url":"https://lists.apache.org/thread.html/wvkv2b4oy2fh9v79d30gtsy0bhqmzcdd"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82806"}],"affected":[{"package":{"name":"apisix","ecosystem":"Bitnami","purl":"pkg:bitnami/apisix"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.3.0"},{"fixed":"3.7.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/apisix/BIT-apisix-2026-82806.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/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"}