CVE-2025-65561: FREE5GC

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered in function LocalNode.Sess in free5GC 4.1.0 allowing attackers to cause a denial of service or other unspecified impacts via crafted header Local SEID to the PFCP Session Modification Request.

Affected products

• FREE5GC FREE5GC: version 4.1.0 only

Published 2025-12-18. Last modified 2026-06-17.