# HTML Metadata Hijacks AI Agent Summaries in Real-World Attacks

- slug: html-metadata-hijacks-ai-agent-summaries-in-real-world-attacks
- date: 2026-04-06
- category: Agentics

Routine web pages compromised AI agents at 15-29% rates through hidden HTML metadata, invisible to human reviewers but fully readable to machines — no explicit malicious prompts required.

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