---
id: CVE-2026-22896
title: >-
  A cross-site scripting (XSS) vulnerability has been reported to affect Network
  & Virtual Switch
summary: >-
  A cross-site scripting (XSS) vulnerability has been reported to affect Network
  & Virtual Switch. If a remote attacker gains an administrator account, they
  can then exploit the vulnerability to inject malicious code.


  We have already fixe…
severity: medium
cvss: 6.2
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N'
cwe:
  - CWE-79
vendor: QNAP Systems Inc.
product: Network & Virtual Switch
affected:
  - network_virtual_switch >= QTS 5.1.x < QTS 5.1.8.2823 build 20240712
  - network_virtual_switch >= QTS 5.2.x < QTS 5.2.1.2930 build 20241025
  - >-
    network_virtual_switch >= QuTS cloud c5.2.x < QuTS cloud c5.2.4.3041 build
    20250211
  - >-
    network_virtual_switch >= QuTS hero h5.1.x < QuTS hero h5.1.8.2823 build
    20240712
  - >-
    network_virtual_switch >= QuTS hero h5.2.x < QuTS hero h5.2.1.2929 build
    20241025
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T08:16:37.230'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-22896'
references:
  - url: 'https://www.qnap.com/en/release-notes/qts/5.1.8.2823/20240712'
    label: security@qnapsecurity.com.tw
  - url: 'https://www.qnap.com/en/release-notes/qts/5.2.1.2930/20241025'
    label: security@qnapsecurity.com.tw
  - url: 'https://www.qnap.com/en/release-notes/quts_hero/h5.1.8.2823/20240712'
    label: security@qnapsecurity.com.tw
  - url: 'https://www.qnap.com/en/release-notes/quts_hero/h5.2.1.2929/20241025'
    label: security@qnapsecurity.com.tw
  - url: 'https://www.qnap.com/en/release-notes/qutscloud/c5.2.4.3041/20250211'
    label: security@qnapsecurity.com.tw
tags:
  - nvd
  - cve.org
cvssSource: cna
ingestedAt: '2026-10-15T07:57:27.847Z'
---

## Overview

A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch. If a remote attacker gains an administrator account, they can then exploit the vulnerability to inject malicious code.

We have already fixed the vulnerability in the following version:
Network & Virtual Switch in QTS 5.1.8.2823 build 20240712 and later
Network & Virtual Switch in QTS 5.2.1.2930 build 20241025 and later
Network & Virtual Switch in QuTS cloud c5.2.4.3041 build 20250211 and later
Network & Virtual Switch in QuTS hero h5.1.8.2823 build 20240712 and later
Network & Virtual Switch in QuTS hero h5.2.1.2929 build 20241025 and later

## Remediation

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