A vulnerability classified as problematic has been found in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation of the argument qosFlowProfile leads to denial of service.

This vulnerability is referenced as CVE-2026-8289. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

The project was informed of the problem early through an issue report but has not responded yet.