EleutherAI paper: persistent agent memory can enable 'authorization laundering' attacks
EleutherAI · hf · 2026-09-03
EleutherAI's new paper Agent Memory Is a Surface for Endogenous Authorization Laundering shows that in long-running LLM agents, persistent memory errors can be misread as authority, letting agents take unauthorized actions without any external prompt injection.
- The attack surface is the memory system itself: polluted or erroneous stored information can act as an endogenous privilege-escalation channel
- Adding safeguards reduces these false authorizations, but at a measurable cost to legitimate task performance
The paper exposes a new safety-vs-usability tradeoff in how agent memory architectures are designed.
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