Morning Edition · Monday, August 31, 2026Published at 2:23 AM EDT · New York

Researchers Propose Routing Agent Tool Calls by Data Origin to Blunt Indirect Prompt Injection

The method treats every piece of content an agent reads as a source with its own privileges, rather than trying to detect malicious instructions inside the text.

Indirect prompt injection remains the unsolved problem in agent deployment. An attacker plants instructions in content a tool-using model will read, such as a web page, a document or an issue tracker comment, and the agent follows them into…