CVE-2026-33141 MEDIUM

CVE-2026-33141: Chamilo LMS has an IDOR in REST API Stats Endpoint Exposes Any User's Learning Data

Vendor Chamilo
Product chamilo-lms
Weakness CWE-639 · IDOR
Published April 10, 2026
Last update April 14, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 10, 2026 CVE published
April 14, 2026 Record updated

Related vulnerabilities

04Related CVE

CVE-2025-27927 Growatt Cloud portal Authorization Bypass Through User-Controlled Key CVE-2025-10493 Chained Quiz <= 1.3.5 - Unauthenticated Insecure Direct Object Reference via Cookie CVE-2025-12881 Return Refund and Exchange For WooCommerce <= 4.5.5 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Order Message Read CVE-2026-32930 Chamilo LMS has an IDOR in Gradebook Allows Cross-Course Evaluation Edit Without Ownership Check CVE-2022-2808 IDOR in Prens Student Information System