CVE-2026-39989

SSRF in QNAP Download Station

State: Published
Severity: 5.3 Medium
Published: Oct 15, 2026
Updated: Oct 15, 2026
Reserved: Apr 8, 2026

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

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	qnap

Weaknesses

CWE-918

Affected Products

Product	Versions
Download StationQNAP Systems Inc.	5.10.x to before 5.10.1.312Affected 5.11.x to before 5.11.2.321Affected

References

https://www.qnap.com/en/app_releasenotes/list.php?app_choose=DownloadStationrelease-notes

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