CVE-2026-91998 — Casdoor through 4.4.0 Cross-Organization User Administration via /api/mcp
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 unre…
Published: 2026-09-15 · CVSS: 9.4 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7