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.
- 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
- None listed
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
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.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-22896 being exploited?
There is no known exploitation of CVE-2026-22896 in the wild and no public exploit code.
Sources
Also known as GHSA-wqcf-pwr4-95x6.