arxivcs.CRcs.AI2026-07-31
Memory Provenance Laundering in LLM Agents: A Non-Amplification Firewall for Persistent Memory
Jinghan Xu, Yiyong Xiao, Wanru Shao, Hankai Liu, Xinjin Li
Long-term memory lets large language model(LLM) agents reuse prior preferences and work flows, but it also turns untrusted observations into persistent action context. We identify memory provenance laundering: during LLM-based memory consolidation, an external observation may be…