A vulnerability was found in Open5GS up to 2.7.7 . It has been declared as problematic . Affected is the function pcf_nbsf_management_handle_register of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint . Such manipulation leads to denial of service. This vulnerability is listed as CVE-2026-8222 . The attack may be performed from remote. In addition, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.