CVE-2026-8123 | Open5GS up to 2.7.7 NSSF /lib/sbi/message.c ogs_sbi_discovery_option_add_snssais denial of service (Issue 4436 / CNNVD-202605-1869)

A vulnerability identified as problematic has been detected in Open5GS up to 2.7.7. This impacts the function ogs_sbi_discovery_option_add_snssais in the library /lib/sbi/message.c of the component NSSF. This manipulation causes denial of service.

The identification of this vulnerability is CVE-2026-8123. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

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