CVE-2026-90942 PUBLISHED

Casdoor through 4.4.0 Private Key Exposure via Certificate Endpoints

Assigner: VulnCheck
Reserved: 14.09.2026 Published: 14.09.2026 Updated: 14.09.2026

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.

CVSS Vector: 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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CVSS Score: 9.6

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	casdoor
Product	casdoor
Versions	Default: unaffected affected from 0 to 4.4.0 (incl.)

CVE-2026-90942 PUBLISHED

Casdoor through 4.4.0 Private Key Exposure via Certificate Endpoints

Metrics

Product Status

Credits

References

Problem Types