CVE-2026-8223: OPEN5GS

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcf_sess_sbi_discover_and_send of the component sm-policies Endpoint. Performing a manipulation results in denial of service. It is possible to initiate the attack remotely. The exploit has been made public and could 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 2026-05-10. Last modified 2026-07-24.