CVE-2026-8120CWE-404

Open5GS NSSF nnssf-handler.c denial of service

Medium · published May 8, 2026

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

A flaw has been found in Open5GS up to 2.7.7. The affected element is the function nssf_nnrf_nsselection_handle_get_from_amf_or_vnssf of the file /src/nssf/nnssf-handler.c of the component NSSF. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has been published 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
2026-05-08T00:15Z
EPSS history
Timeline
  • 08 MAY 00:15Z
    Open5GS NSSF nnssf-handler.c denial of service
    cvelistv5