CVE-2026-67394

WebPros / Plesk PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
WebPros / Plesk	affected 18.0.34 before 18.0.79.9; affected 18.0.80 before 18.0.80.5

CWE

CWE-78

References

https://support.plesk.com/hc/en-us/articles/42968165026967-CVE-2026-67394-Vulnerability-in-Plesk-allows-privilege-escalation-to-root

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.