CVE-2026-90942
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.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
CVSS Version
Related Resources
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90942.json, https://nvd.nist.gov/vuln/detail/CVE-2026-90942, https://www.vulncheck.com/advisories/casdoor-through-4.4.0-private-key-exposure-via-certificate-endpoints, https://github.com/casdoor/casdoor, https://github.com/casdoor/casdoor/blob/v4.4.0/controllers/cert.go, https://github.com/casdoor/casdoor/blob/v4.4.0/object/cert.go, 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