CVE-2026-31940
Session Fixation in Chamilo LMS
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
10th
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.
| CWE | CWE-384 |
| Vendor | chamilo |
| Product | chamilo-lms |
| Published | Apr 10, 2026 |
| Last Updated | Apr 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
chamilo / chamilo-lms
< 1.11.38 >= 2.0.0-alpha.1, < 2.0.0-RC.3