MemLineage enforces untrusted-path persistence in LLM agent memory through Merkle logs, per-principal signatures, and max-of-strong-edges lineage propagation, achieving zero ASR on three poisoning workloads with sub-millisecond overhead.
Bernstein, Niels Duif, Tanja Lange, Peter Schwabe, and Bo-Yin Yang
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MemLineage: Lineage-Guided Enforcement for LLM Agent Memory
MemLineage enforces untrusted-path persistence in LLM agent memory through Merkle logs, per-principal signatures, and max-of-strong-edges lineage propagation, achieving zero ASR on three poisoning workloads with sub-millisecond overhead.