Path traversal in Chamilo LMS - #VU137297
Published: July 10, 2026
Vulnerability identifier: #VU137297
CSH Severity: Medium
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in CourseRestorer. A remote user can send a specially crafted HTTP request and write arbitrary files on the system, leading to arbitrary code execution.
Affected software
Chamilo LMS
Remediation
Install updates from vendor's website.
Chamilo LMS - addressed in versions 1.11.40, 2.0.3