Author

Xuanze Chen

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Jul 2026

MemSecBench: Tracking Agent Memory Poisoning from Persistence to Consequence and Repair

MemSecBench is introduced, a task-grounded benchmark for the lifecycle security of agent memory systems, which indicates that the evaluated memory system stacks differ in lifecycle security, both in the propagation of malicious memory and in selective repair after successful memory poisoning.

Xuan-Ze Chen, Xukang Xie, Wentao Fu et al. · arXiv.org · 7 citations · ⚡1

Jul 2026

AgentS4D: Benchmarking Runtime Risks across the Execution Lifecycle of LLM-Based Workspace Agents

This work introduces AgentS4D, a sandboxed benchmark for lifecycle-wide runtime safety evaluation and evaluates all 20 combinations of four harnesses and five LLM backends, finding that the observed safety of an agent system varies with both its harness-LLM pairing and how risk is introduced.

Jiajun Zhou, Zhaoxuan Ke, Jihang Ye et al. · arXiv.org · 1 citation