CVE-2026-24718 Path Traversal Vulnerability in Qsync Central's qsyncsrv.cgi
Authenticated remote attackers can exploit a path traversal flaw in Qsync Central to read arbitrary files and system data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-24718?
CVE-2026-24718 is a medium-severity path traversal vulnerability in QNAP Systems Inc. Qsync Central, published on 15 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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
Weakness: CWE-22
Which versions are affected by CVE-2026-24718?
How do I fix CVE-2026-24718?
No fix has been published for CVE-2026-24718 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-24718 being exploited?
There is no known exploitation of CVE-2026-24718 in the wild and no public exploit code.
Sources
Also known as GHSA-g96h-68fg-ppxw.