CVE-2026-1684 MEDIUM

CVE-2026-1684: Free5GC SMF PFCP UDP Endpoint pfcp_reports.go HandleReports denial of service

Vendor Free5Gc
Product SMF
Weakness CWE-404
Published January 30, 2026
Last update February 23, 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:X

What the vulnerability does

01Description

A vulnerability was found in Free5GC SMF up to 4.1.0. Affected by this issue is the function HandleReports of the file /internal/context/pfcp_reports.go of the component PFCP UDP Endpoint. The manipulation results in denial of service. The attack can be executed remotely. It is advisable to implement a patch to correct this issue.

Key dates

02Disclosure timeline

January 30, 2026 CVE published
February 23, 2026 Record updated