Relative Path Traversal in Chamilo LMS - CVE-2026-61661
Published: August 4, 2026
Vulnerability identifier: #VU140904
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-61661
CWE-ID: CWE-23
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to relative path traversal in FileManagerController download endpoint when processing a user-supplied filename route parameter. A remote user can supply a url-encoded directory-traversal sequence to disclose sensitive information.
The issue can expose files outside the intended directory, including operating system files and application configuration such as database credentials and APP_SECRET.
Affected software
Chamilo LMS
How to mitigate CVE-2026-61661
Install security update from vendor's website.
Chamilo LMS - update to 2.0.3