CVE-2026-67397 Path traversal in Plesk
Local attackers can exploit path traversal in Plesk to execute arbitrary code with root privileges, requiring immediate patching.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67397?
CVE-2026-67397 is a high-severity path traversal vulnerability in WebPros Plesk, published on 3 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Path traversal in Plesk 18.0.79.9 and earlier and 18.0.80 through 18.0.80.5 allows local users to execute arbitrary code as root.
Weakness: CWE-22
Which versions are affected by CVE-2026-67397?
How do I fix CVE-2026-67397?
No fix has been published for CVE-2026-67397 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-2026-67397 being exploited?
There is no known exploitation of CVE-2026-67397 in the wild and no public exploit code.
Sources
Also known as GHSA-pm4q-j54p-8jgq.