CVE-2026-7780CWE-404

Open5GS smf-registrations Endpoint udm-sm.c udm_state_operational denial of service

Medium · published May 4, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
39.8
In the wild
Unconfirmed
What it is

A weakness has been identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function udm_state_operational of the file /src/udm/udm-sm.c of the component smf-registrations Endpoint. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. 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
0.00471 · 39.8th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-05-04T22:00Z
EPSS history
Timeline
  • 04 MAY 22:00Z
    Open5GS smf-registrations Endpoint udm-sm.c udm_state_operational denial of service
    cvelistv5