AI Agent Memory Security: What a Gateway Sees, and What Persists Where It Cannot Reach
Agent memory spans the context window, provider-hosted long-term memory, vector-store RAG memory, and local file state. Attacks like MINJA, SpAIware, the Gemini delayed-tool-invocation poisoning, and the July 2026 MemGhost paper corrupt that memory through prompt content. This article maps each memory type and attack to the HTTP AI request boundary, and is blunt about which steps a gateway can see and which persist where it cannot reach.
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