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High · 8.7 CVE-2026-39993 EUVD-2026-101879GHSA-v238-v8p6-v2x6

Path Traversal to Root RCE in QNAP Download Station via Addon/Search addon Parameter

Published Oct 15, 2026 · Updated Oct 15, 2026 · Assigned by qnap

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

Affected products

VendorProductAffectedFixed
QNAP Systems Download Station 5.10.x – < 5.10.2.313, 5.11.x – < 5.11.3.322 5.10.2.313

References