Path Traversal in Chamilo Chamilo-Lms
CVE-2026-31939
Chamilo LMS is a learning management system. Prior to 1.11.38, there is a path traversal in main/exercise/savescores.php leading to arbitrary file feletion. User input from $_REQUEST['test'] is concatenated directly into filesystem path without canonicalization or traversal checks. This vulnerability is fixed in 1.11.38.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.004 (27.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H.
Affected products
- Chamilo Chamilo-lms — versions < 1.11.38
- Chamilo Chamilo_lms
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-31939?
- CVE-2026-31939 is a high-severity vulnerability in Chamilo Chamilo-Lms, classified under Path Traversal. CVSS score: 8.3/10. Published 2026-04-10.
- How severe is CVE-2026-31939?
- High severity. CVSS v3 base score is 8.3 out of 10.