CVE-2026-33703 — Chamilo LMS Critical IDOR: Any Authenticated User Can Extract All Users’ Personal Data and API Tokens

CVE-2026-33703

Chamilo LMS Critical IDOR: Any Authenticated User Can Extract All Users’ Personal Data and API Tokens PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
chamilo / chamilo-lms	affected < 2.0.0-RC.3

CWE

CWE-639

References

https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-27x6-c5c7-gpf5

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.