CVE-2026-90942
Casdoor through 4.4.0 Private Key Exposure via Certificate Endpoints
CVSS 4.0 9.3 CRITICALCVSS 3.1 9.6 CRITICALCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-90942
PublishedCasdoor 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.
Read the publisher's advisoryAffected versions, risk and source history
Related advisories and sources
Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.
CVE-2026-90942 · CVE overview and exploitation status
cve-program · CVE-2026-90942
- 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
- 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/casdoor/casdoor
- https://www.vulncheck.com/advisories/casdoor-through-4.4.0-private-key-exposure-via-certificate-endpoints
Related changes
Linked by CVE identifierNo related changes are available here.