CVE-2026-7780 MEDIUM

CVE-2026-7780: Open5GS smf-registrations Endpoint udm-sm.c udm_state_operational denial of service

Vendor N/A
Product Open5GS
Weakness CWE-404
Published May 4, 2026
Last update May 5, 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 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.

Key dates

02Disclosure timeline

May 4, 2026 CVE published
May 5, 2026 Record updated