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Morning Edition · Tuesday, June 23, 2026Published at 6:45 AM EDT · New York
Researchers Show 'Slow-Burn' Prompt Injection Slips Past Per-Event Detectors
Two preprints argue that agent guardrails which score one message at a time miss attacks that distribute weak directives across a whole trajectory, and that current supervision filters trade safety against cost and latency.
A new paper on temporal-accumulation prompt injection targets a weakness in agent defenses. Most prompt-injection detectors score a single event or message, but control-plane attacks against tool-using agents can spread weak directives acro…
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