CVE-2026-34007mediumCWE-78

CVE-2026-34007: medium-severity vulnerability in QNAP Systems Inc. Notes Station 3

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

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 1.4%
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
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Affected products
QNAP Systems Inc. · Notes Station 3
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