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The Hidden Instructions That Can Hijack AI Agents

SecurityWeek
· September 8, 2026

AI summary

Malicious prompts can be hidden in various forms of data, including documents, metadata, emails, images, and code, allowing them to manipulate autonomous AI agents. These concealed instructions can cause the agents to take dangerous actions, posing a potential security risk. The hidden nature of these prompts makes them a subtle threat. Autonomous agents can be hijacked through these malicious prompts, which can have unintended consequences. The ability to conceal instructions in multiple types of data increases the potential attack surface. This vulnerability highlights a V

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