Medium SEVERITY — Security Update

Plesk Obsidian 18.0.x security micro-updates released

A micro-update package containing various security improvements for the panel, web server and DNS components.

Platform
Plesk
Version
Obsidian 18
Published
16 July 2026
Views
8
Primary source: Review the official advisory at docs.plesk.com Kaynağa Git

Scope

  • Improvements to panel session and API authentication security
  • Header hardening in nginx/Apache configuration templates
  • Fixes for Bind/DNSSEC signing
  • Dependency updates in Node.js and Docker extensions

Plesk micro-updates are configured to be applied automatically; a plan has been prepared for servers that are still using manual updates.

Plesk — Related Advisories

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