CVE-2026-24718: Path Traversal Vulnerability in Qsync Central's qsyncsrv.cgi

Q: What access does an attacker need to exploit this issue?

The attacker must first obtain a user account. The issue is exploitable remotely after authenticated access is gained.

Q: What could an attacker access through successful exploitation?

A successful path traversal attack can allow the attacker to read unexpected files or system data.

Q: Which Qsync Central releases contain the fix?

The vulnerability is fixed in Qsync Central 5.0.0.7 and later, 5.1.0.3 and later, 5.2.0.5 and later, and 5.3.0.2 and later.

Published Oct 15, 2026

Updated

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 5.0.0.7 and later Qsync Central 5.1.0.3 and later Qsync Central 5.2.0.5 and later Qsync Central 5.3.0.2 and later

Affected Software

1 affected component

QNAP Qsync Central<5.0.0.7, <5.1.0.3, <5.2.0.5, <5.3.0.2

Event History

Oct 15, 2026

CVE Published

via MITRE·06:59 AM

Data Sourced

via MITRE·06:59 AM

RemedyDescriptionWeakness

Frequently Asked Questions

What access does an attacker need to exploit this issue?

The attacker must first obtain a user account. The issue is exploitable remotely after authenticated access is gained.

What could an attacker access through successful exploitation?

A successful path traversal attack can allow the attacker to read unexpected files or system data.

Which Qsync Central releases contain the fix?

The vulnerability is fixed in Qsync Central 5.0.0.7 and later, 5.1.0.3 and later, 5.2.0.5 and later, and 5.3.0.2 and later.