CVE-2026-8728: OPEN5GS

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A security vulnerability has been detected 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. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• OPEN5GS OPEN5GS: up to and including 2.7.7

Published 2026-05-17. Last modified 2026-06-17.