CVE-2026-67394 - Plesk for Linux OS Command Injection Privilege Escalation
Posted: Tue Sep 01, 2026 8:53 am
CVE ID :CVE-2026-67394
Published : Sept. 1, 2026
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.
Severity: 9.0 | CRITICAL
More Information:
https://cvefeed.io/vuln/detail/CVE-2026-67394
Published : Sept. 1, 2026
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.
Severity: 9.0 | CRITICAL
More Information:
https://cvefeed.io/vuln/detail/CVE-2026-67394