Improper Authorization in Chamilo LMS - CVE-2026-34370
Published: April 24, 2026
Vulnerability identifier: #VU127572
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-34370
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Chamilo
Affected software:
Chamilo LMS
Chamilo LMS
Detailed vulnerability description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper authorization in the notebook module when handling the editnote action with a user-supplied notebook_id parameter. A remote user can manipulate the notebook_id parameter to disclose sensitive information.
The issue affects the read path in get_note_information(), while ownership checks are present in updateNote() and delete_note().
How to mitigate CVE-2026-34370
Install security update from vendor's website.