---
id: CVE-2026-8223
title: A vulnerability was found in Open5GS up to 2.7.7
summary: >-
  A vulnerability was found in Open5GS up to 2.7.7. Affected by this
  vulnerability is the function pcf_sess_sbi_discover_and_send of the component
  sm-policies Endpoint. Performing a manipulation results in denial of service.
  It is possible…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-404
vendor: open5gs
product: open5gs
affected:
  - open5gs <= 2.7.7
published: '2026-05-10'
updated: '2026-07-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-8223'
references:
  - url: 'https://github.com/open5gs/open5gs/'
    label: cna@vuldb.com
  - url: 'https://github.com/open5gs/open5gs/issues/4438'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/808442'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362440'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362440/cti'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/808442'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.0085
epssPercentile: 0.56363
ingestedAt: '2026-07-24T07:21:20.921Z'
---

## Overview

A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcf_sess_sbi_discover_and_send of the component sm-policies Endpoint. Performing a manipulation results in denial of service. It is possible to initiate the attack remotely. The exploit has been made public and could 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.