A vulnerability marked as problematic has been reported in CERT/CC VINCE up to 3.0.43 . Impacted is the function _is_my_case of the file t_attach.case of the component Attachment Authorization . Performing a manipulation of the argument case results in authorization bypass. This vulnerability is known as CVE-2026-18749 . Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.