VULNERABILITY INTELLIGENCE
CVE-2026-67394
EPSS probability1.29%
CISA KEVNot currently listed
Published2026-09-01
Last modified2026-09-03
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.
Weakness classification
- support@hackerone.com: CWE-78