CVE-2026-68492 Path traversal in Plesk
Authenticated attackers can execute arbitrary code as root via an untrusted search path in the Plesk RESTful API extension.
- 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-2026-68492?
CVE-2026-68492 is a high-severity path traversal vulnerability in WebPros Plesk, published on 23 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An untrusted search path vulnerability in Plesk from 18.0.34 before 18.0.80.8 and 18.0.81 before 18.0.81.1 allows remote authenticated users to execute arbitrary code as root via the "Plesk RESTful API" extension from 2.4.2 before 2.4.7.
Weakness: CWE-426
Which versions are affected by CVE-2026-68492?
How do I fix CVE-2026-68492?
No fix has been published for CVE-2026-68492 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-2026-68492 being exploited?
There is no known exploitation of CVE-2026-68492 in the wild and no public exploit code.
Sources
Also known as GHSA-9584-9pgw-4m7q.