CVE-2026-64639
Critical
Description
Incorrect database cloning process in Plesk from 18.0.52 before 18.0.79.6 and 18.0.80.2 allows a low-privileged user (customer, reseller) to execute arbitrary code on behalf of the database server administrator.
SeverityCritical
CVSS9.3
Exploit probability—
Product
Plesk
PublishedAug 12, 2026
First seenAug 12, 2026
Weakness typeCWE-266CWE-266
How to fix
Update
- WebPros Plesk18.0.79.6, 18.0.80.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WebPros Plesk | 18.0.52 ≤ v < 18.0.79.6, 18.0.80.0 ≤ v < 18.0.80.2 | 18.0.79.6, 18.0.80.2 |
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