Chamilo LMS is a learning management system.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Apr 10, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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.

Affected

• cpe chamilo/chamilo lmsversion unspecified
• cpe chamilo/chamilo lms2.0.0

Sources

• CVE.orgVulnerability recordCVE-2026-31940

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-31940

  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

  nvd.nist.gov

References

• Patch · github.com
• Patch · github.com
• Vendor Advisory · github.com