ResearchBenchmarksPrefill Attack on HEx-PHI HarmfulPrefill Attack on HEx-PHI HarmfulFollow95.76Attack Success RateSafeLM2.78426.92251.0675.198Jun 17, 2026Evaluation resultsMethodMethodLinksAttack Success RateSafeLMJudge=HeuristicJudge=Heuristic2026.0695.76BaselineJudge=HeuristicJudge=Heuristic2026.0692.42BaselineJudge=LLMJudge=LLM2026.0665.15SafeLMJudge=LLMJudge=LLM2026.0660.91SRPJudge=HeuristicJudge=Heuristic2026.068.48SRPJudge=LLMJudge=LLM2026.066.36