CVE-2026-8224: OPEN5GS

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

A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcf_sess_set_ipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• OPEN5GS OPEN5GS: up to and including 2.7.7

Published 2026-05-10. Last modified 2026-07-24.