CVE-2026-34007: **RCE** Unsanitized `X-Forwarded-For` header passed to `shell_exec()` via broken IP validation fallback in `getClientIP()`
QNAP Systems Inc. · Notes Station 3
Vendor fix available · Affected: QNAP Systems Inc. Notes Station 3 · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 73% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- QNAP Systems Inc. · Notes Station 3from 3.9.x before 3.9.11
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- QNAP Systems Inc.
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-34007 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.