Skip to content
CVE PROGRAM SOURCE RECORD9.0 Critical

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 18.0.79.9 and 18.0.8

Description

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

WebPros Plesk

Default version status: unaffected

  • 18.0.34 to < 18.0.79.9affected
  • 18.0.80 to < 18.0.80.5affected

References