CVE-2026-22896

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

• https://www.qnap.com/en/release-notes/qts/5.1.8.2823/20240712
• https://www.qnap.com/en/release-notes/qts/5.2.1.2930/20241025
• https://www.qnap.com/en/release-notes/quts_hero/h5.1.8.2823/20240712
• https://www.qnap.com/en/release-notes/quts_hero/h5.2.1.2929/20241025
• https://www.qnap.com/en/release-notes/qutscloud/c5.2.4.3041/20250211