CVE-2026-34370

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the notebook module contains an Insecure Direct Object Reference IDOR vulnerability that allows any authenticated student to read the private course notes of any other user on the platform by manipulating t...

CVE-2026-34370

Chamilo LMS is affected in versions prior to 2.0.0-RC.3 by an IDOR in the Notebook module. An authenticated student can read another user’s private notes by altering notebook_id in the editnote action. The read path get_note_information() does not verify ownership, while write paths have ownershi...