CVE-2026-31940: CWE-384: Session Fixation in chamilo chamilo-lms
Chamilo LMS versions prior to 1. 11. 38 and between 2. 0. 0-alpha. 1 and before 2. 0. 0-RC. 3 contain a session fixation vulnerability. This occurs because user-controlled request parameters are used to set the PHP session ID before the global bootstrap is loaded.
AI Analysis
Technical Summary
CVE-2026-31940 is a session fixation vulnerability in Chamilo LMS affecting versions prior to 1.11.38 and 2.0.0-RC.3. The vulnerability arises from the use of user-controlled request parameters to set the PHP session ID in main/lp/aicc_hacp.php before the global bootstrap is loaded. This improper handling allows an attacker to fixate a session ID, which can be exploited to hijack user sessions. The vulnerability is classified under CWE-384. The issue has been fixed in Chamilo LMS versions 1.11.38 and 2.0.0-RC.3.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to fixate a session ID and potentially hijack a legitimate user's session, leading to unauthorized access with the same privileges as the victim. The CVSS 3.1 base score of 7.5 reflects high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available in Chamilo LMS versions 1.11.38 and 2.0.0-RC.3. Users should upgrade to these or later versions to remediate the session fixation vulnerability. No additional vendor advisory information is provided, so patch status is confirmed by the version information in the description.
CVE-2026-31940: CWE-384: Session Fixation in chamilo chamilo-lms
Description
Chamilo LMS versions prior to 1. 11. 38 and between 2. 0. 0-alpha. 1 and before 2. 0. 0-RC. 3 contain a session fixation vulnerability. This occurs because user-controlled request parameters are used to set the PHP session ID before the global bootstrap is loaded.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-31940 is a session fixation vulnerability in Chamilo LMS affecting versions prior to 1.11.38 and 2.0.0-RC.3. The vulnerability arises from the use of user-controlled request parameters to set the PHP session ID in main/lp/aicc_hacp.php before the global bootstrap is loaded. This improper handling allows an attacker to fixate a session ID, which can be exploited to hijack user sessions. The vulnerability is classified under CWE-384. The issue has been fixed in Chamilo LMS versions 1.11.38 and 2.0.0-RC.3.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to fixate a session ID and potentially hijack a legitimate user's session, leading to unauthorized access with the same privileges as the victim. The CVSS 3.1 base score of 7.5 reflects high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available in Chamilo LMS versions 1.11.38 and 2.0.0-RC.3. Users should upgrade to these or later versions to remediate the session fixation vulnerability. No additional vendor advisory information is provided, so patch status is confirmed by the version information in the description.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-03-10T15:10:10.655Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d938791cc7ad14dad95279
Added to database: 4/10/2026, 5:50:49 PM
Last enriched: 4/10/2026, 6:06:24 PM
Last updated: 4/10/2026, 10:07:41 PM
Views: 6
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