CVE-2026-58046

Critical

Description

Improper neutralization in the Plesk XML-RPC API allows a remote authenticated low-privileged user to perform SQL injection and read arbitrary data from the Plesk database, leading to full compromise of the panel.

SeverityCritical
CVSS9.9
Exploit probability—
ProductPlesk
PublishedJul 30, 2026
First seenJul 30, 2026
Weakness typeCWE-89SQL injection

How to fix

Update
  • WebPros Plesk18.0.79.4 or later

Affected products

ProductAffected versionsFixed in
WebPros Pleskv < 18.0.79.418.0.79.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-58046 · Plesk · Dark Radar