{"id":"CVE-2026-114390","published":"2026-10-21T13:18:29.403","lastModified":"2026-10-22T17:40:46.877","description":"Chamilo LMS from 2.0.0-alpha.1 before 2.0.0-RC.3 contains a missing authorization vulnerability in legacy AJAX handlers under public/main/inc/ajax/ that exposes user names and certificates. Unauthenticated or low-privileged users can call actions like get_users_by_group_course, user_by_all_roles, and export_all_certificates to harvest user names and other learners' certificate PDFs.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/course.ajax.php#L350-L426","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/gradebook.ajax.php#L58-L99","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/usergroup.ajax.php#L17-L50","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/issues/7671","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3","tags":[]},{"url":"https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.1-before-2.0.0-rc.3-missing-authorization-in-ajax-handlers","tags":[]}],"exploitRefs":[{"url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/course.ajax.php#L350-L426","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/gradebook.ajax.php#L58-L99","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/usergroup.ajax.php#L17-L50","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/issues/7671","tags":[]},{"url":"https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3","tags":[]}],"hasPoc":true,"ai":null}