CVE-2026-33705 Chamilo LMS has unauthenticated access to Twig template source files exposes application logic

Medium 5.3 Published 10 Apr 2026 Updated 15 Apr 2026

Unauthenticated attackers can access Twig template files to reveal internal application logic and admin structures in Chamilo LMS.

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

What is CVE-2026-33705?

CVE-2026-33705 is a medium-severity vulnerability in Chamilo Chamilo Lms, published on 10 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Chamilo LMS is a learning management system. Prior to 1.11.38, Twig template files (.tpl) under /main/template/default/ are directly accessible without authentication via HTTP GET requests. These templates expose internal application logic, variable names, AJAX endpoint URLs, and admin panel structure. This vulnerability is fixed in 1.11.38.

Weakness: CWE-538

Which versions are affected by CVE-2026-33705?

It affects 1 product.

Products include Chamilo Chamilo Lms.

How do I fix CVE-2026-33705?

No fix has been published for CVE-2026-33705 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-33705 being exploited?

There is no known exploitation of CVE-2026-33705 in the wild and no public exploit code.

All Chamilo Chamilo Lms vulnerabilities

Sources

Also known as GHSA-5wjg-8x28-px57.