---
id: CVE-2026-8268
title: A vulnerability has been found in Open5GS up to 2.7.7
summary: >-
  A vulnerability has been found in Open5GS up to 2.7.7. This issue affects the
  function OpenAPI_list_create of the component SMF. Such manipulation leads to
  denial of service. The attack may be launched remotely. The exploit has been
  disc…
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-2026-8268'
references:
  - url: 'https://github.com/open5gs/open5gs/'
    label: cna@vuldb.com
  - url: 'https://github.com/open5gs/open5gs/issues/4449'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/808485'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362565'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362565/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00676
epssPercentile: 0.50078
ingestedAt: '2026-07-23T20:19:18.604Z'
---

## Overview

A vulnerability has been found in Open5GS up to 2.7.7. This issue affects the function OpenAPI_list_create of the component SMF. Such manipulation leads to denial of service. The attack may be launched remotely. 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

- `open5gs <= 2.7.7`

## Remediation

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