CVE-2026-7707 MEDIUM

CVE-2026-7707: Open5GS UDR nudr-handler.c udr_nudr_dr_handle_subscription_context denial of service

Vendor N/A
Product Open5GS
Weakness CWE-404
Published May 3, 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 vulnerability was found in Open5GS up to 2.7.7. Impacted is the function udr_nudr_dr_handle_subscription_context of the file /src/udr/nudr-handler.c of the component UDR. The manipulation of the argument pei results in denial of service. The attack can be launched remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Key dates

02Disclosure timeline

May 3, 2026 CVE published
May 5, 2026 Record updated