High severity · published Apr 10, 2026
CVE-2026-31939
Path Traversal (Arbitrary File Delete) in Chamilo LMS
8.3
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
chamilo-lms · chamilo
< 1.11.38 · source: vendor
CL
Chamilo Lms · Chamilo
before 1.11.38 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-31939
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-31939
Patch
https://github.com/chamilo/chamilo-lms/commit/4dddcc19d36119da27b7c49eb84a035800abae78
Release Notes
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.38
Vendor Advisory
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-8q8c-v75x-q2hx
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