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Medium · 6.9 CVE-2026-34007 EUVD-2026-101983GHSA-j4jp-vhm8-8q35

**RCE** Unsanitized `X-Forwarded-For` header passed to `shell_exec()` via broken IP validation fallback in `getClientIP()`

Published Oct 15, 2026 · Updated Oct 15, 2026 · Assigned by qnap

Description

An OS command injection vulnerability has been reported to affect Notes Station 3. If exploited, the vulnerability could allow remote attackers to execute arbitrary commands.

We have already fixed the vulnerability in the following version:
Notes Station 3 3.9.11 and later

Affected products

VendorProductAffectedFixed
QNAP Systems Notes Station 3 3.9.x – < 3.9.11 3.9.11

References