A vulnerability categorized as problematic has been discovered in Open5GS up to 2.7.7 . The impacted element is the function ogs_sbi_discovery_option_parse_plmn_list in the library /lib/sbi/conv.c of the component NRF . Such manipulation of the argument target-plmn-list leads to denial of service. This vulnerability is documented as CVE-2026-8728 . The attack can be executed remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has n