CVE-2026-39989SSRF in QNAP Download Station
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It affects QNAP Systems Inc. Download Station. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 5.3 MEDIUM (v4.0, CNA)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
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- qnap
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
QNAP Systems Inc. Download Station qnap_systems:download_station (from the name) | from 5.10.x before 5.10.1.312; from 5.11.x before 5.11.2.321 | CNA record |
References
- https://www.qnap.com/en/app_releasenotes/list.php?app_choose=DownloadStationrelease-notes
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.