CVE-2026-34007 json
**RCE** Unsanitized `X-Forwarded-For` header passed to `shell_exec()` via broken IP validation fallback in `getClientIP()`
published 2026-10-15 25 d ago modified 2026-10-15 24 d ago also EUVD-2026-101983
- cvss
- 6.9
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- QNAP Systems Inc. Notes Station 3 3.9.11
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 24 d ago
Exploit prediction
1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | 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 |
| CNA | 4.0 | 6.9 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- QNAP Systems Inc. Notes Station 3
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
Sources
- CVE List CVE-2026-34007
- NVD CVE-2026-34007
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.