CVE-2026-68492
High
Description
An untrusted search path vulnerability in Plesk from 18.0.34 before 18.0.80.8 and 18.0.81 before 18.0.81.1 allows remote authenticated users to execute arbitrary code as root via the "Plesk RESTful API" extension from 2.4.2 before 2.4.7.
SeverityHigh
CVSS8.7
Exploit probability—
Product
Plesk
PublishedSep 23, 2026
First seenSep 23, 2026
Weakness typeCWE-426CWE-426
How to fix
Update
- WebPros Plesk18.0.80.8, 18.0.81.1 or later
- WebPros Plesk extension "Plesk RESTful API"2.4.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WebPros Plesk | 18.0.34 ≤ v < 18.0.80.8, 18.0.81 ≤ v < 18.0.81.1 | 18.0.80.8, 18.0.81.1 |
| WebPros Plesk extension "Plesk RESTful API" | 2.4.2 ≤ v < 2.4.7 | 2.4.7 |
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