CVE-2026-34007 — **RCE** Unsanitized `X-Forwarded-For` header passed to `shell_exec()` via broken IP validation fallback in `getClient…

CVE-2026-34007

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

Description (CNA)

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 (CNA)

Vendor / product	Versions
QNAP Systems Inc. / Notes Station 3	affected 3.9.x before 3.9.11

CWE

CWE-78

References

https://www.qnap.com/en/app-release-notes?keyword=Notes%20Station%203&app=NotesStation3&product-line=nas

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.