CVE-2026-33698

Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code from the main/install/ directory and allow an unauthenticated attacker to modify existing files or create new files where allowed by system permissions. This only affects portals...

CVE-2026-40291

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...

CVE-2026-35196

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an OS Command Injection vulnerability exists in the main/inc/ajax/gradebook.ajax.php endpoint within the exportallcertificates action, where the course code retrieved from the session variable $SESSION'cid'...

CVE-2026-40291

Chamilo LMS exposes an insecure direct object modification in PUT /api/users/{id} prior to version 2.0.0-RC.3, allowing any authenticated user with ROLE_STUDENT to escalate to ROLE_ADMIN by modifying their own roles field. The API Platform check is_granted('EDIT', object) only verifies ownership,...

CVE-2026-40291

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...

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...

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...

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...

CVE-2026-35196 Chamilo LMS has OS Command Injection via export_all_certificates action

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an OS Command Injection vulnerability exists in the main/inc/ajax/gradebook.ajax.php endpoint within the exportallcertificates action, where the course code retrieved from the session variable $SESSION'cid'...

EUVD-2026-22722

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an OS Command Injection vulnerability exists in the main/inc/ajax/gradebook.ajax.php endpoint within the exportallcertificates action, where the course code retrieved from the session variable $SESSION'cid'...

CVE-2026-35196

Chamilo LMS vulnerable to OS Command Injection prior to 2.0.0-RC.3. The flaw resides in the gradebook.ajax.php endpoint (export_all_certificates action), where the course code is taken from $_SESSION['_cid'] via api_get_course_id() and concatenated into a shell_exec() command without sanitization...

CVE-2026-35196 Chamilo LMS has OS Command Injection via export_all_certificates action

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an OS Command Injection vulnerability exists in the main/inc/ajax/gradebook.ajax.php endpoint within the exportallcertificates action, where the course code retrieved from the session variable $SESSION'cid'...

CVE-2026-35196 Chamilo LMS has OS Command Injection via export_all_certificates action

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an OS Command Injection vulnerability exists in the main/inc/ajax/gradebook.ajax.php endpoint within the exportallcertificates action, where the course code retrieved from the session variable $SESSION'cid'...

EUVD-2026-22718

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the /api/courserelusers endpoint is vulnerable to Insecure Direct Object Reference IDOR, allowing an authenticated attacker to modify the user parameter in the request body to enroll any arbitrary user into...

CVE-2026-34602

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the /api/courserelusers endpoint is vulnerable to Insecure Direct Object Reference IDOR, allowing an authenticated attacker to modify the user parameter in the request body to enroll any arbitrary user into...

CVE-2026-34602 Chamilo LMS: IDOR in /api/course_rel_users Allows Unauthorized Enrollment of Arbitrary Users into Courses

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the /api/courserelusers endpoint is vulnerable to Insecure Direct Object Reference IDOR, allowing an authenticated attacker to modify the user parameter in the request body to enroll any arbitrary user into...

CVE-2026-34602

Chamilo LMS is affected by an IDOR in the /api/course_rel_users endpoint prior to version 2.0.0-RC.3. An authenticated attacker can modify the user parameter in the request body to enroll arbitrary users into courses without proper authorization checks, bypassing enrollment controls and potential...

CVE-2026-34602 Chamilo LMS: IDOR in /api/course_rel_users Allows Unauthorized Enrollment of Arbitrary Users into Courses

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the /api/courserelusers endpoint is vulnerable to Insecure Direct Object Reference IDOR, allowing an authenticated attacker to modify the user parameter in the request body to enroll any arbitrary user into...

CVE-2026-34370

Chamilo LMS is affected in versions prior to 2.0.0-RC.3 by an IDOR in the Notebook module. An authenticated student can read another user’s private notes by altering notebook_id in the editnote action. The read path get_note_information() does not verify ownership, while write paths have ownershi...

EUVD-2026-22716

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the notebook module contains an Insecure Direct Object Reference IDOR vulnerability that allows any authenticated student to read the private course notes of any other user on the platform by manipulating t...