CVE-2026-105382A flaw has been found in onetwothreeneth HospitalManagementSystem up to 9ef91ed6007314b6473110ed699dff76d158f61d. This affects the function update_subaccount of the file php/controller.php of the component Account Administration. This manipulation of the argument user_id causes improper authorization. Remote exploitation of the attack is possible. The exploit has been published and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.