CVE-2026-30056

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A NULL pointer dereference in the AMF NGAP Dispatcher component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via supplying crafted NGAP messages during the initialization of a new RAN connection.

Published 2026-08-27. Last modified 2026-08-31.