Casdoor through 4.4.0 contains an authorization bypass vulnerability in the /api/mcp endpoint that allows attackers with any application's clientId and clientSecret to gain unrestricted access to user administration across all organizations. Attackers can enumerate user records including password salts and email addresses, create administrator accounts, modify existing users, and delete them in any organization by supplying legitimate credentials from a single application.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 15 Sep 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Casdoor
Casdoor casdoor |
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| Vendors & Products |
Casdoor
Casdoor casdoor |
Tue, 15 Sep 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Casdoor through 4.4.0 contains an authorization bypass vulnerability in the /api/mcp endpoint that allows attackers with any application's clientId and clientSecret to gain unrestricted access to user administration across all organizations. Attackers can enumerate user records including password salts and email addresses, create administrator accounts, modify existing users, and delete them in any organization by supplying legitimate credentials from a single application. | |
| Title | Casdoor through 4.4.0 Cross-Organization User Administration via /api/mcp | |
| First Time appeared |
Casbin
Casbin casdoor |
|
| Weaknesses | CWE-863 | |
| CPEs | cpe:2.3:a:casbin:casdoor:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Casbin
Casbin casdoor |
|
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-15T11:35:52.041Z
Reserved: 2026-09-15T11:11:13.312Z
Link: CVE-2026-91998
No data.
Status : Received
Published: 2026-09-15T12:17:55.407
Modified: 2026-09-15T12:17:55.407
Link: CVE-2026-91998
No data.
OpenCVE Enrichment
Updated: 2026-09-15T12:45:18Z
Weaknesses