NetSight
critical9.0

CVE-2026-67394

A critical local privilege escalation via OS command injection vulnerability has been discovered in Plesk for Linux, affecting all versions from 18.0.34 before…

Impact

A critical local privilege escalation via OS command injection vulnerability has been discovered in Plesk for Linux, affecting all versions from 18.0.34 before 18.0.79.9 and 18.0.80.5. The vulnerability allows a customer or reseller with shell access (or allowed to change their own shell access) to elevate privileges to the root account on the hosting server.

Affected products

ProductAffected versions
All Versions From 18.0.34
before 18.0.79.9

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References