Elevation of Privilege in Chamilo LMS by Authenticated Users
CVE-2026-33706

7.1HIGH

Key Information:

Vendor

Chamilo

Status
Chamilo-lms
Vendor
CVE Published:
10 April 2026

What is CVE-2026-33706?

A security issue in Chamilo LMS allows authenticated users with a valid REST API key to exploit the update_user_from_username endpoint. By doing so, users can change their status from Student (status=5) to Teacher/CourseManager (status=1), granting them unauthorized course creation and management permissions. This vulnerability has been resolved in version 1.11.38, emphasizing the importance of updating to protect against potential privilege escalation attacks.

Affected Version(s)

chamilo-lms < 1.11.38

References

https://github.com/chamilo/chamilo-lms/security/advisorie...
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https://github.com/chamilo/chamilo-lms/commit/0acf8a19630...
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CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.