CVE-2026-40291 - Vulnerability Analysis
HighCVSS: 8.8Last Updated: April 14, 2026
Chamilo LMS - Broken Access Control
Published: April 14, 2026Updated: April 14, 2026Remote Exploitable
Overview
Chamilo LMS < 2.0.0-RC.3 contains a broken access control vulnerability caused by insecure direct object modification in the PUT /api/users/{id} endpoint, letting authenticated students escalate privileges to admin by modifying roles field.
Severity & Score
Severity: High
CVSS Score: 8.8
Impact
Authenticated students can gain full administrative control, accessing all courses, user data, grades, and settings.
Mitigation
Upgrade to version 2.0.0-RC.3 or later.
References
Related Resources
Details
- CVE ID
- CVE-2026-40291
- Severity
- High
- CVSS Score
- 8.8
- Type
- broken_access_control
- Status
- new
CWE
- CWE-269
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H