Agent Memory Poisoning Turns Yesterday's Text Into Tomorrow's Authority
Agent memory poisoning occurs when untrusted or incorrect content enters a memory store and later returns as trusted context for a model or agent. The risk spans ingestion, retrieval, authorization, and the HTTP calls that carry memory-derived context to an LLM. This article explains the attack path, separates traffic enforcement from memory-store and endpoint controls, and identifies the evidence required to investigate a poisoned memory record.