---
id: CVE-2026-8267
title: A flaw has been found in Open5GS up to 2.7.7
summary: >-
  A flaw has been found in Open5GS up to 2.7.7. This vulnerability affects the
  function smf_nsmf_handle_created_data_in_vsmf of the component SMF. This
  manipulation causes denial of service. The attack may be initiated remotely.
  The exploi…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-404
vendor: open5gs
product: open5gs
affected:
  - open5gs <= 2.7.7
published: '2026-05-11'
updated: '2026-07-23'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-8267'
references:
  - url: 'https://github.com/open5gs/open5gs/'
    label: cna@vuldb.com
  - url: 'https://github.com/open5gs/open5gs/issues/4448'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/808484'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362564'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362564/cti'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/808484'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00372
epssPercentile: 0.3115
ingestedAt: '2026-07-23T20:19:18.580Z'
---

## Overview

A flaw has been found in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_created_data_in_vsmf of the component SMF. This manipulation causes denial of service. The attack may be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## Affected

- `open5gs <= 2.7.7`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.