CVE-2026-8121CWE-404

Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service

Medium · published May 8, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
52.3
In the wild
Unconfirmed
What it is

A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_parse_plmn_list in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out 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
0.00692 · 52.3th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-05-08T00:30Z
EPSS history
Timeline
  • 08 MAY 00:30Z
    Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service
    cvelistv5