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

CVSS 4.0

6.2CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-10-15

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

References

• 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

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