CVE-2026-31940 HIGH

CVE-2026-31940: Session Fixation in Chamilo LMS

Vendor Chamilo
Product chamilo-lms
Weakness CWE-384 · Session fixation
Published April 10, 2026
Last update April 14, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, in main/lp/aicc_hacp.php, user-controlled request parameters are directly used to set the PHP session ID before loading global bootstrap. This leads to session fixation. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

Key dates

02Disclosure timeline

April 10, 2026 CVE published
April 14, 2026 Record updated