CVE-2026-33736

| EUVD-2026-21567 MEDIUM
2026-04-10 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Analysis Generated
Apr 10, 2026 - 19:22 vuln.today
EUVD ID Assigned
Apr 10, 2026 - 19:22 euvd
EUVD-2026-21567
CVE Published
Apr 10, 2026 - 19:16 nvd
MEDIUM 6.5

Tags

Authentication Bypass

Description

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.

Analysis

Chamilo LMS versions prior to 2.0.0-RC.3 allow authenticated students and lower-privileged users to enumerate all platform users and extract sensitive personal information (email addresses, phone numbers, role assignments) through an unauthenticated API endpoint (GET /api/users), enabling reconnaissance of administrator accounts and organizational structure. The vulnerability affects any installation with user accounts below administrative level and is fixed in version 2.0.0-RC.3.

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Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-33736 vulnerability details – vuln.today
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