What’s Vulnerable › Vulnerabilities
CVE-2026-39989: SSRF in QNAP Download Station
- Severity: medium (CVSS 5.3 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-15 · updated 2026-10-15
- Weakness: CWE-918
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
Affected products
- QNAP Systems Inc. Download Station: from 5.10.x before 5.10.1.312; from 5.11.x before 5.11.2.321 — fixed in 5.10.1.312, 5.11.2.321
How to fix
Upgrade to a fixed version: QNAP Systems Inc. Download Station 5.10.1.312, 5.11.2.321. Check the vendor advisory for mitigations.
References
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