CVE-2026-33703
Chamilo LMS Critical IDOR: Any Authenticated User Can Extract All Users’ Personal Data and API Tokens
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
11th
Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the /social-network/personal-data/{userId} endpoint allows any authenticated user to access full personal data and API tokens of arbitrary users by modifying the userId parameter. This results in mass disclosure of sensitive user information and credentials, enabling a full platform data breach. This vulnerability is fixed in 2.0.0-RC.3.
| CWE | CWE-639 |
| Vendor | chamilo |
| Product | chamilo-lms |
| Published | Apr 10, 2026 |
| Last Updated | Apr 14, 2026 |
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Affected Versions
chamilo / chamilo-lms
< 2.0.0-RC.3