CVE-2026-82228: Siteground Security

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Unauthenticated Bypass Vulnerability in SiteGround Security <= 1.6.6 versions.

Affected products

• Siteground Siteground Security: up to and including 1.6.6

Published 2026-08-31. Last modified 2026-09-01.