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

High 7.1 Published 10 Apr 2026 Updated 14 Apr 2026

Authenticated users can escalate privileges from student to teacher via REST API, allowing unauthorized course management.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-33706?

CVE-2026-33706 is a high-severity vulnerability in Chamilo Chamilo Lms, published on 10 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-269

Which versions are affected by CVE-2026-33706?

It affects 1 product.

Products include Chamilo Chamilo Lms.

How do I fix CVE-2026-33706?

No fix has been published for CVE-2026-33706 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-33706 being exploited?

There is no known exploitation of CVE-2026-33706 in the wild and no public exploit code.

All Chamilo Chamilo Lms vulnerabilities

Sources

Also known as GHSA-3gqc-xr75-pcpw.