CVE-2026-39989

SSRF in QNAP Download Station

Published Oct 15, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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

Remediation

Vendor Solution

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

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Qnap Systems
Qnap Systems download Station
Vendors & Products Qnap Systems
Qnap Systems download Station
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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
Title SSRF in QNAP Download Station
Weaknesses CWE-918
References
Metrics cvssV4_0

{'score': 5.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
qnap
Published
Updated
Oct 15, 2026, 1:43 PM
Reserved
Apr 8, 2026, 2:30 AM
Status
Awaiting Analysis
Published
Oct 15, 2026, 10:17 AM
Modified
Oct 15, 2026, 4:32 PM