A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsf_sess_add_by_ip_address of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.