CVE-2026-34239: Chamilo Chamilo-Lms

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Chamilo version 1.11.40 and earlier are vulnerable to authenticated remote code execution in the main/inc/ajax/lang.ajax.php path. This endpoint is protected only by `api_protect_course_script(true)`, which means any authenticated user enrolled in a course (student, teacher, DRH) can reach it.

Affected products

• Chamilo Chamilo-Lms: up to and including 1.11.40

Published 2026-07-20. Last modified 2026-07-22.