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.

  • Published Sep 14, 2026
  • CVSS 9.3 critical
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-90942 at the National Vulnerability Database