CVE-2026-7536 MEDIUM

CVE-2026-7536: Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service

Vendor N/A
Product Open5GS
Weakness CWE-404
Published May 1, 2026
Last update May 1, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsf_sess_add_by_ip_address of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Key dates

02Disclosure timeline

May 1, 2026 CVE published
May 1, 2026 Record updated