A vulnerability described as problematic has been identified in Open5GS up to 2.7.7 . This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF . Executing a manipulation of the argument n1SmMsg can lead to denial of service. The identification of this vulnerability is CVE-2026-8288 . The attack may be launched remotely. Furthermore, there is an exploit available. The pull request to fix this issue awaits acceptance