CVE-2026-33706 HIGH

CVE-2026-33706: Chamilo LMS has a REST API Self-Privilege Escalation (Student → Teacher)

Vendor Chamilo
Product chamilo-lms
Weakness CWE-269
Published April 10, 2026
Last update April 14, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 10, 2026 CVE published
April 14, 2026 Record updated