Path traversal in Chamilo LMS - CVE-2026-31939
Published: May 5, 2026
Vulnerability identifier: #VU129656
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-31939
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Chamilo
Affected software:
Chamilo LMS
Chamilo LMS
Detailed vulnerability description
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 the "/exercise/savescores.php" file. A remote attacker can send a specially crafted HTTP request and delete arbitrary files on the system.
How to mitigate CVE-2026-31939
Install updates from vendor's website.