Auth bypass in Chamilo Lms
CVE-2026-1106
A security flaw has been discovered in Chamilo LMS up to 2.0.0 Beta 1. This issue affects the function deleteLegal of the file src/CoreBundle/Controller/SocialController.php of the component Legal Consent Handler. Performing a manipulation of the argument userId results in improper authorization. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
EPSS: 0.004 (31.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Chamilo Chamilo_lms — versions 2.0.0
- Chamilo Lms — versions 2.0.0 Beta 1
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-1106?
- CVE-2026-1106 is a medium-severity vulnerability in Chamilo Lms, classified under Incorrect Privilege Assignment. CVSS score: 5.4/10. Published 2026-01-18.
- How severe is CVE-2026-1106?
- Medium severity. CVSS v3 base score is 5.4 out of 10.