CVE-2026-26243CWE-22path-traversal

CVE-2026-26243

published October 15, 2026

CVSS
7.2
EPSS
1%
Percentile
44.7
In the wild
Unconfirmed
What it is

A path traversal vulnerability has been reported to affect Qsync Central. 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:

Qsync Central 5.0.0.6 and later

Qsync Central 5.1.0.2 and later

Qsync Central 5.2.0.4 and later

The record
Technical detail
CVSS
7.2 · NONE
CVSS v4.0
7.2 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00541 · 44.7th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-10-15T14:17Z
References (1)
https://www.qnap.com/en/app-release-notes?keyword=Qsync%20&app=QsyncServer&product-line=nas · [email protected]
EPSS history
Timeline
  • 16 OCT 03:28Z
    EPSS moved — → 1%
    epss
  • 15 OCT 09:29Z
    Arbitrary Folder Deletion in Qsync Central 5.0.0.5
    cvelistv5
  • 15 OCT 09:29Z
    Arbitrary Folder Deletion in Qsync Central 5.0.0.5
    cvelistv5