CVE-2026-33737

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.

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - security-advisories@github.com

Published

2026-04-10

Last modified

2026-10-26

Weaknesses

CWE-611

Affected products

• Chamilo-lms (Chamilo)
• Chamilo Lms (Chamilo)

References

• https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j
• https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e
• https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3