CVE-2026-33737
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Chamilo Lms
PublishedApr 10, 2026
First seenApr 10, 2026
Weakness typeCWE-611XML external entity (XXE)
How to fix
Update
- chamilo chamilo_lms1.11.38 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| chamilo chamilo_lms | v < 1.11.38, 2.0.0 | 1.11.38 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.