Description
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.
Published: 2026-04-10
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: Mass disclosure of sensitive user data and credentials
Action: Apply patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 16 Apr 2026 19:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc2:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}


Tue, 14 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 13 Apr 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Chamilo
Chamilo chamilo Lms
Vendors & Products Chamilo
Chamilo chamilo Lms

Fri, 10 Apr 2026 18:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Chamilo LMS Critical IDOR: Any Authenticated User Can Extract All Users’ Personal Data and API Tokens
Weaknesses CWE-639
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Chamilo Chamilo Lms
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-14T14:05:24.505Z

Reserved: 2026-03-23T17:06:05.746Z

Link: CVE-2026-33703

cve-icon Vulnrichment

Updated: 2026-04-14T14:05:20.321Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-10T19:16:23.327

Modified: 2026-04-16T18:48:04.293

Link: CVE-2026-33703

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-13T12:59:46Z

Weaknesses