CVE-2026-32931: Chamilo Lms

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

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 original .php extension and is placed in a web-accessible directory, enabling Remote Code Execution as the web server user (www-data). This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

Affected products

• Chamilo Chamilo Lms: before 1.11.38 (fixed in 1.11.38); version 2.0.0 only

Published 2026-04-10. Last modified 2026-06-17.