CVE-2026-8250 MEDIUM

CVE-2026-8250: Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service

Vendor N/A
Product Open5GS
Weakness CWE-404
Published May 10, 2026
Last update May 11, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A vulnerability has been found in Open5GS up to 2.7.7. This affects the function smf_n4_build_qos_flow_to_modify_list of the file /src/smf/n4-build.c of the component SMF. Such manipulation leads to denial of service. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Key dates

02Disclosure timeline

May 10, 2026 CVE published
May 11, 2026 Record updated