{"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"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Apache APISIX", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "3.7.0", "status": "affected", "version": "2.3.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-82806", "lastModified": "2026-10-01T15:17:32.303", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@apache.org", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-82806", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-01T14:57:00.655996Z", "version": "2.0.3"}}]}, "published": "2026-10-01T11:17:28.190", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/wvkv2b4oy2fh9v79d30gtsy0bhqmzcdd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/10/01/3"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-488"}], "source": "security@apache.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.3.0,3.7.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache APISIX", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "apache_apisix", "vendor": "apache"}], "created": "2026-10-01T13:45:06.504961+00:00", "updated": "2026-10-01T14:45:10.209291+00:00", "vendors": ["apache", "apache$PRODUCT$apache_apisix"]}