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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2026-41539

QTS, QuTS hero

Description

A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3492 build 20260507 and later QuTS hero h5.2.9.3499 build 20260514 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3500 build 20260520 and later

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

QNAP Systems Inc. QTS

Default version status: unaffected

  • 5.2.0 to < 5.2.9.3492 build 20260507affected

QNAP Systems Inc. QuTS hero

Default version status: unaffected

  • h5.2.0 to < h5.2.9.3499 build 20260514affected
  • h5.3.0 to < h5.3.4.3500 build 20260520affected
  • ? to < h6.0.0.3500 build 20260520affected

References