Monday, November 2, 2026

AI LLM-Driven SSRF Lab: Push the Agent's Fetch Tool Inward

FetchBot can retrieve URLs for you with a server-side tool. Its only guard is a denylist: it refuses URLs that contain 'localhost', '127.0.0.1' or 'internal'. Denylists miss things — and the cloud metadata endpoint does not contain any of those words. Lab at a glance: Advanced · 145 XP · about 20 minutes · runs in your browser, no signup or setup. Try it yourself first; the full solution is behind a spoiler below. [se_lab_cta id="ai-llm-ssrf-1"] 📋 In this walkthroughWhat…

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