CVE-2026-39993CWE-23

CVE-2026-39993

published October 15, 2026

CVSS
6.3
EPSS
0%
Percentile
28.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
6.3 · NONE
CVSS v4.0
6.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
EPSS
0.00362 · 28.8th percentile
Weakness
CWE-23 · Relative Path Traversal
Published
2026-10-15T11:18Z
References (1)
https://www.qnap.com/en/app_releasenotes/list.php?app_choose=DownloadStation · [email protected]
EPSS history
Timeline
  • 16 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 15 OCT 07:00Z
    Path Traversal to Root RCE in QNAP Download Station via Addon/Search addon Parameter
    cvelistv5
  • 15 OCT 07:00Z
    Path Traversal to Root RCE in QNAP Download Station via Addon/Search addon Parameter
    cvelistv5