CVE-2026-30059

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

An issue in the NAS decoder component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted Registration Request message.

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