CVE-2026-33618

Chamilo LMS is a learning management system. Prior to .0.0-RC.3, the PlatformConfigurationController::decodeSettingArray method uses PHP's eval to parse platform settings from the database. An attacker with admin access obtainable via Advisory 1 can inject arbitrary PHP code into the settings,...

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-2026-33705

Chamilo LMS is a learning management system. Prior to 1.11.38, Twig template files .tpl under /main/template/default/ are directly accessible without authentication via HTTP GET requests. These templates expose internal application logic, variable names, AJAX endpoint URLs, and admin panel...

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-2026-33715 Chamilo LMS has Unauthenticated SSRF and Open Email Relay via install.ajax.php test_mailer action

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...

CVE-2026-33715

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...

CVE-2026-33704

Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user including students can write arbitrary content to files on the server via the BigUpload endpoint. The key parameter controls the filename and the raw POST body becomes the file content. While .php extensions are...

CVE-2026-33737

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, multiple files use simplexmlloadstring without XXE protection. With LIBXMLNOENT flag, arbitrary server files can be read. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3...

CVE-2026-33705 Chamilo LMS has unauthenticated access to Twig template source files exposes application logic

Chamilo LMS is a learning management system. Prior to 1.11.38, Twig template files .tpl under /main/template/default/ are directly accessible without authentication via HTTP GET requests. These templates expose internal application logic, variable names, AJAX endpoint URLs, and admin panel...

EUVD-2026-21557

Chamilo LMS is a learning management system. Prior to 1.11.38, Twig template files .tpl under /main/template/default/ are directly accessible without authentication via HTTP GET requests. These templates expose internal application logic, variable names, AJAX endpoint URLs, and admin panel...

CVE-2026-33704

CVE-2026-33704 affects Chamilo LMS prior to version 1.11.38. An authenticated user (including students) can use the BigUpload endpoint to write arbitrary content to server files: the key parameter selects the filename and the raw POST body becomes the file contents. Although .php extensions are f...

CVE-2026-31940

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, in main/lp/aicchacp.php, user-controlled request parameters are directly used to set the PHP session ID before loading global bootstrap. This leads to session fixation. This vulnerability is fixed in 1.11.38 and...

CVE-2026-33698

Chamilo LMS prior to 1.11.38 is vulnerable to a chained attack that can enable otherwise-blocked PHP code from the main/install/ directory, allowing an unauthenticated attacker to modify existing files or create new files where permitted by system permissions. The issue affects portals where main...

CVE-2026-33141 Chamilo LMS has an IDOR in REST API Stats Endpoint Exposes Any User's Learning Data

Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, an Insecure Direct Object Reference IDOR vulnerability in the REST API stats endpoint allows any authenticated user including low-privilege students with ROLEUSER to read any other user's learning progress, certificates, and...

CVE-2026-32931

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an unrestricted file upload vulnerability in the exercise sound upload function allows an authenticated teacher to upload a PHP webshell by spoofing the Content-Type header to audio/mpeg. The uploaded file retains its...

EUVD-2026-21531

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an unrestricted file upload vulnerability in the exercise sound upload function allows an authenticated teacher to upload a PHP webshell by spoofing the Content-Type header to audio/mpeg. The uploaded file retains its...

EUVD-2026-21529

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an Insecure Direct Object Reference IDOR vulnerability in the gradebook evaluation edit page allows any authenticated teacher to view and modify the settings name, max score, weight of evaluations belonging to any other...

CVE-2026-31940 Session Fixation in Chamilo LMS

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, in main/lp/aicchacp.php, user-controlled request parameters are directly used to set the PHP session ID before loading global bootstrap. This leads to session fixation. This vulnerability is fixed in 1.11.38 and...

Chamilo LMS 输入验证错误漏洞

Chamilo LMS is an open-source online learning and collaboration system developed by Chamilo. This system supports the creation of teaching content, remote training, and online quizzes. Versions of Chamilo LMS from 1.11.0 to 2.0-beta.1 contain a vulnerability related to input validation errors. Th...

PT-2026-31999

Chamilo LMS is a learning management system. Prior to 1.11.38, there is a path traversal in main/exercise/savescores.php leading to arbitrary file feletion. User input from $ REQUEST'test' is concatenated directly into filesystem path without canonicalization or traversal checks. This vulnerabili...