Untrusted Search Path Vulnerability in Plesk from Plesk International
CVE-2026-68492

8.7HIGH

Key Information:

Vendor

Webpros

Status
Plesk
Plesk Extension "plesk Restful Api"
Vendor
CVE Published:
23 September 2026

What is CVE-2026-68492?

An untrusted search path vulnerability exists in Plesk versions from 18.0.34 to 18.0.80.8 and from 18.0.81 to 18.0.81.1. This vulnerability allows remote authenticated users to execute arbitrary code with root privileges via the Plesk RESTful API extension in versions 2.4.2 through 2.4.6. By exploiting this vulnerability, attackers can manipulate the search path used during the execution of code, potentially leading to significant security breaches.

Affected Version(s)

Plesk 18.0.34 < 18.0.80.8

Plesk 18.0.81 < 18.0.81.1

Plesk extension "Plesk RESTful API" 2.4.2 < 2.4.7

References

https://support.plesk.com/hc/en-us/articles/43644058632983

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ali Mustafa (rz1027)
.