{"id":"CVE-2026-82806","title":"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…","summary":"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…","severity":"medium","cvss":5.3,"cvssVector":"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","cwe":["CWE-488"],"vendor":"Apache Software Foundation","product":"Apache APISIX","affected":["apache_apisix >= 2.3.0 < 3.7.0"],"published":"2026-10-01","updated":"2026-10-01","sourceUpdated":"2026-10-01T12:54:27.463","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82806","references":[{"url":"https://lists.apache.org/thread.html/wvkv2b4oy2fh9v79d30gtsy0bhqmzcdd","label":"security@apache.org"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-10-01T11:42:53.817Z","slug":"CVE-2026-82806","body":"## Overview\n\nExposure 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}