CVE-2026-40291 Chamilo LMS has Privilege Escalation via API User Role Modification

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an insecure direct object modification vulnerability in the PUT /api/users/id endpoint allows any authenticated user with ROLESTUDENT to escalate their privileges to ROLEADMIN by modifying the roles field o...