--- title: "CVE-2026-34009: Notes Station 3 - Broken Access Control" description: "Notes Station 3 contains a broken access control vulnerability caused by improper isolation or compartmentalization, letting local attackers with administrator privileges compromise system security, exploit requires administrator access." url: https://panop.io/threat-heartbeat/CVE-2026-34009/ --- # CVE-2026-34009 Notes Station 3 - Broken Access Control Notes Station 3 contains a broken access control vulnerability caused by improper isolation or compartmentalization, letting local attackers with administrator privileges compromise system security, exploit requires administrator access. CVSS base score 8.4 /10 High CISA KEV Not listed Public exploit None known Authentication Required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-34009) ## Details Type Broken Access Control Impact Privilege Escalation CVSS vector 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/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 Published 15 October 2026 Updated 15 October 2026 Weakness [CWE-653](https://cwe.mitre.org/data/definitions/653.html) ## Vendor fix Update to version 3.9.11 or later. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-34009](https://nvd.nist.gov/vuln/detail/CVE-2026-34009) - [https://www.qnap.com/en/app-release-notes?keyword=Notes%20Station%203&app=NotesStation3&product-line=nas](https://www.qnap.com/en/app-release-notes?keyword=Notes%20Station%203&app=NotesStation3&product-line=nas) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)