CVE-2026-34008highCWE-732

CVE-2026-34008: high-severity vulnerability in QNAP Systems Inc. Notes Station 3

**Privilege Escalation** World-writable crontab path monitored and executed by root-owned process

Published

Follow this CVE+ Monitor Notes Station

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

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

ssvc Trackcvss 8.5epss 0.1%
An incorrect permission assignment for critical resource vulnerability has been reported to affect Notes Station 3. If a local attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: Notes Station 3 3.9.11 and later
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
QNAP Systems Inc. · Notes Station 3
Related CVEs — QNAP Systems Inc. Notes Station 3

In the same product, most dangerous first.

CVE-2024-38644HIGHNotes Station 3EPSS 1.6%CVE-2026-34007MEDIUM**RCE** Unsanitized `X-Forwarded-For` header passed to `shell_exec()` via broken IP validation fallback in `getClientIP()`EPSS 1.4%CVE-2024-38643CRITICALNotes Station 3EPSS 0.9%CVE-2024-38645CRITICALNotes Station 3EPSS 0.6%CVE-2026-39991MEDIUMStored Cross-Site Scripting (XSS) in Note Station file upload functionalityEPSS 0.3%CVE-2024-27126MEDIUMNotes Station 3EPSS 0.3%