CVE-2026-105389A security vulnerability has been detected in feelec-yishu feelcrm-os 1.0.0. This issue affects some unknown processing of the file App/Feelcrm/Crm/Controller/UploadController.class.php of the component UploadTicketFile Endpoint. Such manipulation of the argument cmd leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.