CVE-2026-31939

EUVD-2026-21521
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.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.3 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Affected Products (NVD)
VendorProductVersion
chamilochamilo_lms
𝑥
< 1.11.38
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/chamilo/chamilo-lms/commit/4dddcc19d36119da27b7c49eb84a035800abae78
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.38
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-8q8c-v75x-q2hx
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-8q8c-v75x-q2hx