A vulnerability labeled as problematic has been found in Open5GS up to 2.7.6 . This impacts the function ogs_sbi_nf_instance_set_id in the library /lib/sbi/context.c of the component NRF . Executing a manipulation of the argument nfInstanceId can lead to denial of service. This vulnerability appears as CVE-2026-8730 . 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.