{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82806","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-08-31T04:34:45.853Z","datePublished":"2026-10-01T10:58:32.654Z","dateUpdated":"2026-10-01T14:57:12.282Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-10-01T10:58:32.654Z"},"title":"Apache APISIX: cross-request permission pollution via static permission list mutation","problemTypes":[{"descriptions":[{"description":"CWE-488 Exposure of data element to wrong session","lang":"en","cweId":"CWE-488","type":"CWE"}]}],"source":{"discovery":"UNKNOWN"},"affected":[{"vendor":"Apache Software Foundation","product":"Apache APISIX","versions":[{"status":"affected","version":"2.3.0","lessThan":"3.7.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"value":"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.","lang":"en","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Exposure of data element to wrong session vulnerability in Apache APISIX.</p><p>This issue affects Apache APISIX: from 2.3.0 before 3.7.0.</p><p>Under 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.</p><p>Users are recommended to upgrade to version 3.7.0 or higher, which fixes the issue.</p>"}]}],"references":[{"url":"https://lists.apache.org/thread.html/wvkv2b4oy2fh9v79d30gtsy0bhqmzcdd","tags":["vendor-advisory"]}],"metrics":[{"scenarios":[{"lang":"en","value":"GENERAL"}],"format":"CVSS","cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"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"}}],"credits":[{"lang":"en","value":"Lok","type":"reporter"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/01/3"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-10-01T13:10:57.814Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T14:57:00.655996Z","id":"CVE-2026-82806","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-01T14:57:12.282Z"}}]}}