CVE-2026-33736CWE-639

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

Medium · published April 10, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
27.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00354 · 27.8th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-04-10T19:03Z
EPSS history
Timeline
  • 10 APR 19:03Z
    Chamilo LMS has an Insecure Direct Object Reference (IDOR) - User Data Exposure
    cvelistv5