Practice Makes Unsafe: Skill Misevolution in Self-Improving LLM Agents
Quick summary
arXiv:2608.12851v1 Announce Type: new Abstract: Self-improving LLM agents convert successful trajectories into persistent cross-task state. An unsafe success can thereby become reusable policy after its triggering input disappears. Skill evolution makes this failure measurable by distilling operational trajectories into executable, transferable, and inspectable procedures. Because evolution optimizes task outcomes rather than procedure safety, compromised experience can cause skill misevolution. Existing benchmarks measure current behavior or static artifacts but cannot attribute risk across a
Key takeaways
- arXiv:2608.12851v1 Announce Type: new Abstract: Self-improving LLM agents convert successful trajectories into persistent cross-task state.
- An unsafe success can thereby become reusable policy after its triggering input disappears.
- Skill evolution makes this failure measurable by distilling operational trajectories into executable, transferable, and inspectable procedures.
Why it matters
The significance is not only the legal text but how it changes product design. Decisions around “Practice Makes Unsafe: Skill Misevolution in Self-Improving LLM Agents” may reshape data collection, model training, output accountability and market access.
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