---
title: "CVE-2026-39993: Download Station - Path Traversal"
description: "Download Station contains a path traversal caused by improper validation of file paths, letting remote attackers with user accounts read unexpected files or system data, exploit requires user authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-39993/
---

# CVE-2026-39993 Download Station - Path Traversal

Download Station contains a path traversal caused by improper validation of file paths, letting remote attackers with user accounts read unexpected files or system data, exploit requires user authentication.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-39993)

## Details

Type

Path Traversal

Impact

File System Read, Information Disclosure

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-23](https://cwe.mitre.org/data/definitions/23.html)

## Vendor fix

Update to Download Station 5.10.2.313, 5.11.3.322 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-2026-39993](https://nvd.nist.gov/vuln/detail/CVE-2026-39993)
- [https://www.qnap.com/en/app\_releasenotes/list.php?app\_choose=DownloadStation](https://www.qnap.com/en/app_releasenotes/list.php?app_choose=DownloadStation)

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## 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.

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