CVE-2026-33141: Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the REST API stats endpoint…

PriorityP338medium6.5CVSS 3.1

AVNACLPRLUINSUCHINAN

EPSS

0.14%

3.8th percentile

Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the REST API stats endpoint allows any authenticated user (including low-privilege students with ROLE_USER) to read any other user's learning progress, certificates, and gradebook scores for any course, without enrollment or supervisory relationship. This vulnerability is fixed in 2.0.0-RC.3.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
chamilo	chamilo-lms	< 2.0.0-RC.3	2.0.0-RC.3
chamilo	chamilo_lms	<= 1.11.38	—
chamilo	chamilo_lms	—	—

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