CVE-2026-33706

Chamilo LMS has a REST API Self-Privilege Escalation (Student → Teacher)

Published: Apr 10, 2026Updated: Apr 16, 2026 Sources: CVE List NVDCWE-269

7.1HIGH

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-269

Affected Products

chamilo

oss-projectaka chamilo-lms

chamilo-lmsOn-premWeb App

Enterprise Software / collaboration-groupware

chamilo lmsOn-premWeb App

Enterprise Software / itsm-monitoring

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Privilege Escalation

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References

https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-3gqc-xr75-pcpw

github.com

https://github.com/chamilo/chamilo-lms/commit/0acf8a196307c66c049f97f5ff76cf21c4a08127

github.com

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