blog.cloudflare.com· Sep 29, 2026· by Vikram Grover

We tested our own WAF with frontier AI models. Here’s what we found

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We built a WAF tester that adapted each request based on what the WAF blocked or passed. This helped us explore variations that a fixed test might miss. We ran it across six attack categories on an authorized staging environment and discovered detection gaps worth fixing. Here’s how the loop worked, what got through, and what we did about it.
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#AI#AI WAF#Application Security#Application Services#Birthday Week#Deep Dive#Machine Learning#Managed Rules