{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90942", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-14T11:34:24.687Z", "datePublished": "2026-09-14T17:52:04.812Z", "dateUpdated": "2026-09-14T19:07:57.306Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-14T17:52:04.812Z"}, "datePublic": "2026-07-08T00:00:00.000Z", "title": "Casdoor through 4.4.0 Private Key Exposure via Certificate Endpoints", "descriptions": [{"lang": "en", "value": "Casdoor through 4.4.0 fails to properly mask the instance-wide built-in certificate private key in /api/get-certs and /api/get-cert endpoints, allowing organization administrators to retrieve it. Attackers can use the exposed private key to forge JWT tokens for any user in any organization, including global administrators."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incorrect Authorization", "cweId": "CWE-863", "type": "CWE"}]}], "affected": [{"vendor": "casdoor", "product": "casdoor", "packageURL": "pkg:github/casdoor/casdoor", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "4.4.0", "status": "affected", "versionType": "semver"}], "repo": "https://github.com/casdoor/casdoor"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:casbin:casdoor:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.4.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 9.6, "baseSeverity": "CRITICAL"}}], "references": [{"url": "https://github.com/geo-chen/oss/blob/main/casdoor.md#finding-3-organization-admin-can-read-the-global-built-in-jwt-signing-private-key-via-apiget-certs-and-apiget-cert-incomplete-fix-of-3003--enables-cross-organization-token-forgery", "tags": ["third-party-advisory", "exploit"], "name": "Researcher write-up, Finding 3"}, {"url": "https://github.com/casdoor/casdoor/blob/v4.4.0/controllers/cert.go", "tags": ["technical-description"], "name": "controllers/cert.go at v4.4.0"}, {"url": "https://github.com/casdoor/casdoor/blob/v4.4.0/object/cert.go", "tags": ["technical-description"], "name": "object/cert.go at v4.4.0"}, {"url": "https://github.com/casdoor/casdoor", "tags": ["product"]}, {"name": "VulnCheck Advisory: Casdoor through 4.4.0 Private Key Exposure via Certificate Endpoints", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/casdoor-through-4.4.0-private-key-exposure-via-certificate-endpoints"}], "credits": [{"lang": "en", "value": "George Chen", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-14T19:07:44.583769Z", "id": "CVE-2026-90942", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-14T19:07:57.306Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-90942", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-14T19:07:44.583769Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-14T19:07:50.868Z"}}], "cna": {"title": "Casdoor through 4.4.0 Private Key Exposure via Certificate Endpoints", "credits": [{"lang": "en", "type": "reporter", "value": "George Chen"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 9.3, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"repo": "https://github.com/casdoor/casdoor", "vendor": "casdoor", "product": "casdoor", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "4.4.0"}], "packageURL": "pkg:github/casdoor/casdoor", "defaultStatus": "unaffected"}], "datePublic": "2026-07-08T00:00:00.000Z", "references": [{"url": "https://github.com/geo-chen/oss/blob/main/casdoor.md#finding-3-organization-admin-can-read-the-global-built-in-jwt-signing-private-key-via-apiget-certs-and-apiget-cert-incomplete-fix-of-3003--enables-cross-organization-token-forgery", "name": "Researcher write-up, Finding 3", "tags": ["third-party-advisory", "exploit"]}, {"url": "https://github.com/casdoor/casdoor/blob/v4.4.0/controllers/cert.go", "name": "controllers/cert.go at v4.4.0", "tags": ["technical-description"]}, {"url": "https://github.com/casdoor/casdoor/blob/v4.4.0/object/cert.go", "name": "object/cert.go at v4.4.0", "tags": ["technical-description"]}, {"url": "https://github.com/casdoor/casdoor", "tags": ["product"]}, {"url": "https://www.vulncheck.com/advisories/casdoor-through-4.4.0-private-key-exposure-via-certificate-endpoints", "name": "VulnCheck Advisory: Casdoor through 4.4.0 Private Key Exposure via Certificate Endpoints", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck-endgame"}, "descriptions": [{"lang": "en", "value": "Casdoor through 4.4.0 fails to properly mask the instance-wide built-in certificate private key in /api/get-certs and /api/get-cert endpoints, allowing organization administrators to retrieve it. Attackers can use the exposed private key to forge JWT tokens for any user in any organization, including global administrators."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "Incorrect Authorization"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:casbin:casdoor:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "4.4.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-14T17:52:04.812Z"}}}, "cveMetadata": {"cveId": "CVE-2026-90942", "state": "PUBLISHED", "dateUpdated": "2026-09-14T19:07:57.306Z", "dateReserved": "2026-09-14T11:34:24.687Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-09-14T17:52:04.812Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:github/casdoor/casdoor", "product": "casdoor", "repo": "https://github.com/casdoor/casdoor", "vendor": "casdoor", "versions": [{"lessThanOrEqual": "4.4.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Casdoor through 4.4.0 fails to properly mask the instance-wide built-in certificate private key in /api/get-certs and /api/get-cert endpoints, allowing organization administrators to retrieve it. Attackers can use the exposed private key to forge JWT tokens for any user in any organization, including global administrators."}], "id": "CVE-2026-90942", "lastModified": "2026-09-14T19:18:13.480", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.8, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "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": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/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": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-90942", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-14T19:07:44.583769Z", "version": "2.0.3"}}]}, "published": "2026-09-14T18:20:28.720", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/casdoor/casdoor"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/casdoor/casdoor/blob/v4.4.0/controllers/cert.go"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/casdoor/casdoor/blob/v4.4.0/object/cert.go"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/geo-chen/oss/blob/main/casdoor.md#finding-3-organization-admin-can-read-the-global-built-in-jwt-signing-private-key-via-apiget-certs-and-apiget-cert-incomplete-fix-of-3003--enables-cross-organization-token-forgery"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/casdoor-through-4.4.0-private-key-exposure-via-certificate-endpoints"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "casdoor", "vendor": "casbin"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.4.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "casdoor", "source": "cna", "vendor": "casdoor"}, "product": "casdoor", "vendor": "casdoor"}], "created": "2026-09-15T05:45:19.946657+00:00", "updated": "2026-09-15T05:45:19.946681+00:00", "vendors": ["casbin", "casbin$PRODUCT$casdoor", "casdoor", "casdoor$PRODUCT$casdoor"]}