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-2026-35196 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 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 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...

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...

CVE-2026-34160

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS Package Exchange Notification Services plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a user-controlled package-url parameter that the server fetche...

CVE-2026-34161

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, a Stored Cross-Site Scripting XSS vulnerability exists in the social post attachment upload functionality, where an authenticated user can upload a malicious HTML file containing JavaScript via the...

CVE-2026-34161 Chamilo LMS: Stored XSS via Malicious File Upload in Social Post Attachments Leads to Arbitrary JavaScript Execution

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, a Stored Cross-Site Scripting XSS vulnerability exists in the social post attachment upload functionality, where an authenticated user can upload a malicious HTML file containing JavaScript via the...

CVE-2026-34161 Chamilo LMS: Stored XSS via Malicious File Upload in Social Post Attachments Leads to Arbitrary JavaScript Execution

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, a Stored Cross-Site Scripting XSS vulnerability exists in the social post attachment upload functionality, where an authenticated user can upload a malicious HTML file containing JavaScript via the...

CVE-2026-34161

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, a Stored Cross-Site Scripting XSS vulnerability exists in the social post attachment upload functionality, where an authenticated user can upload a malicious HTML file containing JavaScript via the...

EUVD-2026-22714

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, a Stored Cross-Site Scripting XSS vulnerability exists in the social post attachment upload functionality, where an authenticated user can upload a malicious HTML file containing JavaScript via the...

EUVD-2026-22712

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS Package Exchange Notification Services plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a user-controlled package-url parameter that the server fetche...

CVE-2026-34160 Chamilo LMS: Unauthenticated SSRF via PENS Plugin allows attacker to probe internal network and reach cloud metadata services

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS Package Exchange Notification Services plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a user-controlled package-url parameter that the server fetche...

CVE-2026-34160 Chamilo LMS: Unauthenticated SSRF via PENS Plugin allows attacker to probe internal network and reach cloud metadata services

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS Package Exchange Notification Services plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a user-controlled package-url parameter that the server fetche...

CVE-2026-34160

Chamilo LMS prior to 2.0.0-RC.3 is affected. The PENS plugin endpoint at public/plugin/Pens/pens.php allows unauthenticated access and accepts a user-controlled package-url that is fetched via curl without filtering private/internal IPs, enabling unauthenticated SSRF. Impact includes probing inte...

EUVD-2026-22710

Chamilo LMS is an open-source learning management system. In version 2.0-RC.2, the file public/main/inc/ajax/install.ajax.php is accessible without authentication on fully installed instances because, unlike other AJAX endpoints, it does not include the global.inc.php file that performs...