Auth bypass in Casdoor
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.
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (exploit, third-party-advisory)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-90942?
- CVE-2026-90942 is a critical-severity vulnerability in Casdoor, classified under Incorrect Authorization. CVSS score: 9.6/10. Published 2026-09-14.
- How severe is CVE-2026-90942?
- Critical severity. CVSS v3 base score is 9.6 out of 10.