CVE-2026-33706: Chamilo Lms

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user with a REST API key can modify their own status field via the update_user_from_username endpoint. A student (status=5) can change their status to Teacher/CourseManager (status=1), gaining course creation and management privileges. This vulnerability is fixed in 1.11.38.

Affected products

• Chamilo Chamilo Lms: before 1.11.38 (fixed in 1.11.38)

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