CVE-2026-33737 MEDIUM

CVE-2026-33737: Chamilo LMS has an XML External Entity (XXE) Injection

Vendor Chamilo
Product chamilo-lms
Weakness CWE-611 · XXE
Published April 10, 2026
Last update April 13, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 10, 2026 CVE published
April 13, 2026 Record updated