CVE-2026-30051

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

An issue in the CreateUEContextProcedure function (/v1/ue-contexts/{supi}) of free5gc v4.1.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted PUT request.

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