CVE-2026-4531 | Free5GC 4.1.0 AMF internal/gmm/handler.go HandleRegistrationComplete denial of service (Issue 792)

A vulnerability categorized as problematic has been discovered in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to denial of service.

This vulnerability appears as CVE-2026-4531. The attack may be performed from remote. There is no available exploit.

It is best practice to apply a patch to resolve this issue.