Build Your Own Vulnerability Harness

Cloudflare presents the architecture behind its AI-powered Vulnerability Discovery Harness (VDH), a model-agnostic framework for large-scale vulnerability research. Rather than relying on a single coding agent, the system orchestrates multiple specialized AI agents across stages including reconnaissance, vulnerability hunting, adversarial validation, deduplication, dependency tracing, feedback, and reporting. Findings are independently verified using a separate Vulnerability Validation System (VVS) powered by a different model, reducing false positives through adversarial cross-checking. The post emphasizes that orchestration—not any specific LLM—is the key to scalable AI-assisted security research, and describes techniques for persistent state management, automated triage, cross-repository analysis, and continuous vulnerability discovery. Cloudflare also releases its initial security-audit skill as an open-source starting point for building similar security workflows. 

https://blog.cloudflare.com/build-your-own-vulnerability-harness

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