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OpenAdvisories
Medium · 6.5 CVE-2026-33736 EUVD-2026-21567

Chamilo LMS has an Insecure Direct Object Reference (IDOR) - User Data Exposure

Published Apr 10, 2026 · Updated Apr 13, 2026 · Assigned by GitHub_M

Description

Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, any authenticated user (including ROLE_STUDENT) can enumerate all platform users and access personal information (email, phone, roles) via GET /api/users, including administrator accounts. This vulnerability is fixed in 2.0.0-RC.3.

Affected products

VendorProductAffectedFixed
chamilo chamilo-lms >= 2.0.0-alpha.1, < 2.0.0-RC.3 —

References