Privilege escalation in Chamilo Chamilo-Lms
CVE-2026-33706
Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user with a REST API key can modify their own status field via the update_user_from_username endpoint. A student (status=5) can change their status to Teacher/CourseManager (status=1), gaining course creation and management privileges. This vulnerability is fixed in 1.11.38.
Vulnerability class: Privilege Escalation
EPSS: 0.002 (6.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.
Affected products
- Chamilo Chamilo-lms — versions < 1.11.38
- Chamilo Chamilo_lms
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-33706?
- CVE-2026-33706 is a high-severity vulnerability in Chamilo Chamilo-Lms, classified under Improper Privilege Management. CVSS score: 7.1/10. Published 2026-04-10.
- How severe is CVE-2026-33706?
- High severity. CVSS v3 base score is 7.1 out of 10.