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CVE-2026-65646

Critical

Description

Improper neutralization of special elements in in Plesk's DNS zone management functionality allows remote authenticated users to disclose arbitrary local files and escalate privileges.

SeverityCritical
CVSS9.9
Exploit probability—
ProductPlesk
PublishedAug 26, 2026
First seenAug 26, 2026
Weakness typeCWE-74Injection

How to fix

Update
  • WebPros Plesk18.0.79.11, 18.0.80.7 or later

Affected products

ProductAffected versionsFixed in
WebPros Pleskv < 18.0.79.11, 18.0.80 ≤ v < 18.0.80.718.0.79.11, 18.0.80.7

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