LlamaIndex ran a 4-day agentic pen test on LlamaParse and shared 4 key lessons
llama_index · x · 2026-11-12
LlamaIndex gave AI agents a standard login and spent four days pen-testing its LlamaParse document pipeline — parsing, extraction, indexing, deployed agents, and the MCP server. Lessons: 1) model behavior varies between runs, so one passing test isn't enough; 2) some vulnerabilities only appear in real applications; 3) defining expected behavior upfront separates real issues from noise; 4) extraction reads everything on the page, including text invisible to humans. Full engineering writeup available.
Related event: LlamaIndex Runs Agentic Penetration Testing on Its Own LlamaParse(2 posts)→
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