CVE-2026-34009 — **Container Escape** Host user home directory mounted with write access into application container

CVE-2026-34009

**Container Escape** Host user home directory mounted with write access into application container PUBLISHED

Description (CNA)

An improper isolation or compartmentalization vulnerability has been reported to affect Notes Station 3. If a local attacker gains an administrator 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

Affected (CNA)

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

CWE

CWE-653

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.