CVE-2026-39989

Medium

Description

A server-side request forgery (SSRF) vulnerability has been reported to affect Download Station. If a remote attacker gains a user account, they can then exploit the vulnerability to read application data. We have already fixed the vulnerability in the following version: Download Station 5.10.1.312 and later Download Station 5.11.2.321 and later

SeverityMedium

CVSS5.3

Exploit probability—

ProductDownload Station

PublishedOct 15, 2026

First seenOct 15, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update

QNAP Systems Inc. Download Station5.10.1.312, 5.11.2.321 or later

Vendor advisories

qnap.com/en/app_releasenotes/list.php?app_choose=DownloadStation

Affected products

Product	Affected versions	Fixed in
QNAP Systems Inc. Download Station	5.10.x ≤ v < 5.10.1.312, 5.11.x ≤ v < 5.11.2.321	5.10.1.312, 5.11.2.321

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