CVE-2026-66689: Acymailing Newsletter Team Anti Spam And List Cleaner – Acychecker

Medium severity, CVSS 6.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Unauthenticated Broken Access Control in Anti Spam and list cleaner &#8211; AcyChecker <= 2.0.0 versions.

Affected products

• Acymailing Newsletter Team Anti Spam And List Cleaner &#8211; Acychecker: up to and including 2.0.0

Published 2026-08-13. Last modified 2026-08-14.