CVE-2026-8250CWE-404

Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service

Medium · published May 10, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
51.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.00676 · 51.6th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-05-10T22:45Z
EPSS history
Timeline
  • 10 MAY 22:45Z
    Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service
    cvelistv5