Memory poisoning on a delay: one bad fact in agent memory seeds every future decision

sierracatalina · x · 2026-09-05

The author wrote two pieces in July–August 2025 on what they called cascading hallucinations, now dubbed ASI06 by the field. The core idea: an autonomous agent that saves a bad fact to memory doesn't make one mistake—it seeds every future decision that retrieves that memory. The new article formalizes this as "memory poisoning on a delay": the attack waits, then compounds. The takeaway is that agent memory systems need to treat persisted wrong facts as a security problem, not a one-off bug.

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