CVE-2026-8222: Open5GS sm-policies Endpoint nbsf-handler.c pcf_nbsf_management_handle_register denial of service

Published May 10, 2026
·
Updated

A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcfnbsfmanagementhandleregister of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected Software

2 affected components
open5gs open5gs<=2.7.7
open5gs open5gs<=2.7.7

Event History

May 10, 2026
CVE Published
via MITRE·02:30 AM
Data Sourced
via MITRE·02:30 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:16 AM
DescriptionSeverityWeaknessAffected Software
May 11, 58342
Event
via FIRST·01:55 PM

Frequently Asked Questions

1

What is the severity of CVE-2026-8222?

CVE-2026-8222 is classified as a denial of service vulnerability in the Open5GS sm-policies endpoint.

2

How do I fix CVE-2026-8222?

To fix CVE-2026-8222, it is recommended to upgrade Open5GS to version 2.7.8 or later.

3

What component is affected by CVE-2026-8222?

CVE-2026-8222 affects the sm-policies endpoint specifically in the function pcf_nbsf_management_handle_register.

4

Which versions of Open5GS are vulnerable to CVE-2026-8222?

Open5GS versions up to and including 2.7.7 are vulnerable to CVE-2026-8222.

5

What impact does CVE-2026-8222 have on systems?

The impact of CVE-2026-8222 is a denial of service condition that could lead to service interruptions.

Contact

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