[ CVE-2026-39993 · Published 15 Oct 2026 ]

Vulnerability in QNAP Systems Inc. Download Station

CVSS 8.7 EPSS <1%No fix listed yet

[ Description ]Official description

A relative path traversal vulnerability has been reported to affect Download Station. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: Download Station 5.10.2.313 and later Download Station 5.11.3.322 and later

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.