CVE-2026-39989: medium-severity vulnerability in QNAP Systems Inc. Download Station
SSRF in QNAP Download Station
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.3%
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
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
Affected products
QNAP Systems Inc. · Download StationRelated CVEs — QNAP Systems Inc. Download Station
In the same product, most dangerous first.
CVE-2025-58463LOWDownload StationEPSS 0.5%CVE-2026-39993HIGHPath Traversal to Root RCE in QNAP Download Station via Addon/Search addon ParameterEPSS 0.4%CVE-2024-38640HIGHDownload StationEPSS 0.2%CVE-2025-58465LOWDownload StationEPSS 0.2%CVE-2026-34014HIGHds-move-files.sh is writable and executed as rootEPSS 0.1%