CVE-2026-34009CWE-653

CVE-2026-34009

published October 15, 2026

CVSS
8.4
EPSS
0%
Percentile
3.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
8.4 · NONE
CVSS v4.0
8.4 · CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00142 · 3.2th percentile
Weakness
CWE-653 · Improper Isolation or Compartmentalization
Published
2026-10-15T14:17Z
References (1)
https://www.qnap.com/en/app-release-notes?keyword=Notes%20Station%203&app=NotesStation3&product-line=nas · [email protected]
EPSS history
Timeline
  • 16 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 15 OCT 09:37Z
    **Container Escape** Host user home directory mounted with write access into application container
    cvelistv5
  • 15 OCT 09:37Z
    **Container Escape** Host user home directory mounted with write access into application container
    cvelistv5