Cloudflare Email security now lets administrators write their own content-based blocking rules. A new Blocked content area under Policies & rules lets you define a plaintext string or a regular expression, choose whether to scan the message subject, body, or…

This release introduces new protection for a remote code execution vulnerability in vBulletin and improves two existing detections. Key Findings A new detection provides protection against vBulletin CVE-2026-61511. Two existing detections have been improved to strengthen coverage. Impact Successful exploitation…