Author

Wenhao Lan

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ContainmentBench: Trace-Based Evaluation of Post-Injection Containment in Tool-Using LLM Agents

Results show that a terminal policy label is not a sufficient statistic for operational post-exposure containment; evaluations should report endpoint, stage-stratified trajectory, and utility evidence separately, and should promote recovery evidence to comparative claims only where the corresponding controls are valid.

Wenhao Lan, Shan Li, Junbin Yang et al. · 0 citations

Preprint Jul 2026

ContainmentBench: Trace-Based Evaluation of Post-Exposure Containment in Tool-Using LLM Agents

ContainmentBench, a sandboxed benchmark comprising a 504-scenario specification dataset, a shared rollout-trace schema, and stage-scoped metrics for endpoint violations, logged propagation, and explicitly authorized taint-exposed proposals that commit, is introduced.

Wenhao Lan, Shan Li, Meiqi Wu et al. · 0 citations