CVE Watch24 jul 2026

CVE-2026-34602

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the /api/course_rel_users endpoint is vulnerable

CVSS

7.1

Alto

EPSS

0.2%

p11

KEV

—

Exploit Today

0-100

Publicado: 14 abr 2026 · Última mod.: 24 jul 2026 · CWE-639

EPSS · 30d

0.2%EPSS · 30 días0.2%

2026-07-152026-08-12

Descripción técnica

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the /api/course_rel_users endpoint is vulnerable to Insecure Direct Object Reference (IDOR), allowing an authenticated attacker to modify the user parameter in the request body to enroll any arbitrary user into any course without proper authorization checks. The backend trusts the user-supplied input for the user field and performs no server-side verification that the requester owns the referenced user ID or has permission to act on behalf of other users. This enables unauthorized manipulation of user-course relationships, potentially granting unintended access to course materials, bypassing enrollment controls, and compromising platform integrity. This issue has been fixed in version 2.0.0-RC.3.

Referencias oficiales

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