# CVE-2026-22896: Stored XSS via Interface Name in Network & Virtual Switch App

> Remote attackers with admin access can inject malicious scripts via interface names in QNAP Network & Virtual Switch, potentially compromising the system.

- **Severity:** Medium 6.2 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 15 Oct 2026
- **Updated:** 15 Oct 2026
- **Also known as:** GHSA-wqcf-pwr4-95x6

## What is CVE-2026-22896?

CVE-2026-22896 is a medium-severity cross-site scripting vulnerability in QNAP Systems Inc. Network & Virtual Switch, published on 15 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

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

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-22896?


## How do I fix CVE-2026-22896?

No fix has been published for CVE-2026-22896 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-22896 being exploited?

There is no known exploitation of CVE-2026-22896 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-22896 and fix it if it is affected.

What it is: CVE-2026-22896 is a medium-severity cross-site scripting vulnerability in QNAP Systems Inc. Network & Virtual Switch, published on 15 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-22896 in the wild and no public exploit code.

Affected product: QNAP Systems Inc. Network & Virtual Switch. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-22896/ (Markdown: https://insights.sbomify.com/CVE-2026-22896/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-22896
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-22896
- OSV: https://osv.dev/vulnerability/CVE-2026-22896

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-22896/
Summaries are generated and may contain mistakes; the official description above is the record.