PT-2026-85033

Name of the Vulnerable Software and Affected Versions Plesk versions 18.0.79.9 and earlier Plesk versions 18.0.80 through 18.0.80.5 Description A path traversal issue allows local users to execute arbitrary code with root privileges. Path traversal is a flaw that allows an attacker to access file...

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 18.0.80.5. The vulnerability allows a customer or reseller with shell access or allowed to change their own shell access to...

EUVD-2026-68921

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...

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 18.0.80.5. The vulnerability allows a customer or reseller with shell access or allowed to change their own shell access to...

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 18.0.80.5. The vulnerability allows a customer or reseller with shell access or allowed to change their own shell access to...

CVE-2026-67394

Plesk for Linux versions 18.0.34 through before 18.0.79.9 and 18.0.80.5 are affected by a critical local privilege escalation via OS command injection (CVSS 4.0: 9.0). An attacker who already has shell access (or is allowed to change their own shell) can escalate to the root account on the hostin...

CVE-2026-67394: Improper Neutralization of Special Elements used in an OS Command

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...