CVE-2026-8289 MEDIUM

CVE-2026-8289: 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 12, 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 identified in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation of the argument qosFlowProfile leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. 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 12, 2026 Record updated