CVE-2026-33737: Chamilo Lms

Medium severity, CVSS 6.5. EPSS: 0.4% 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, multiple files use simplexml_load_string() without XXE protection. With LIBXML_NOENT flag, arbitrary server files can be read. 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.