CVE-2026-5661 MEDIUM

CVE-2026-5661: Free5GC NGSetupRequest denial of service

Vendor N/A
Product Free5GC
Weakness CWE-404
Published April 6, 2026
Last update April 6, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was identified in Free5GC 4.2.0. This affects an unknown function of the component NGSetupRequest Handler. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit is publicly available and might be used.

Key dates

02Disclosure timeline

April 6, 2026 CVE published
April 6, 2026 Record updated