CVE-2026-8290 MEDIUM

CVE-2026-8290: Open5GS SMF nsmf-handler.c smf_nsmf_handle_update_data_in_vsmf denial of service

Vendor N/A
Product Open5GS
Weakness CWE-404
Published May 11, 2026
Last update May 11, 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 security flaw has been discovered in Open5GS up to 2.7.7. This issue affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation results in denial of service. The attack can be executed remotely. The exploit has been released to the public and may 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 11, 2026 CVE published
May 11, 2026 Record updated

Related vulnerabilities

04Related CVE