On Safety Risks in Experience-Driven Self-Evolving Agents

Fuente: arXiv
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Main Authors: Zhao, Weixiang, Zhang, Yichen, Wang, Yingshuo, Deng, Yang, Zhao, Yanyan, Zhi, Xuda, Huang, Yongbo, HaoHe, Che, Wanxiang, Qin, Bing, Liu, Ting
Format: Preprint
Published: 2026
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author Zhao, Weixiang
Zhang, Yichen
Wang, Yingshuo
Deng, Yang
Zhao, Yanyan
Zhi, Xuda
Huang, Yongbo
HaoHe
Che, Wanxiang
Qin, Bing
Liu, Ting
author_facet Zhao, Weixiang
Zhang, Yichen
Wang, Yingshuo
Deng, Yang
Zhao, Yanyan
Zhi, Xuda
Huang, Yongbo
HaoHe
Che, Wanxiang
Qin, Bing
Liu, Ting
contents Experience-driven self-evolution has emerged as a promising paradigm for improving the autonomy of large language model agents, yet its reliance on self-curated experience introduces underexplored safety risks. In this study, we investigate how experience accumulation and utilization in self-evolving agents affect safety performance across web-based and embodied environments. Notably, experience gathered solely from benign tasks can still compromise safety in high-risk scenarios. Further analysis attributes this degradation to the execution-oriented nature of accumulated experience, which reinforces agents' tendency to act rather than refuse. In more realistic settings where agents encounter both benign and harmful tasks, refusal-related experience mitigates safety decline but induces over-refusal, revealing a fundamental safety-utility trade-off. Overall, our findings expose inherent limitations of current self-evolving agents and call for more principled strategies to ensure safe and reliable adaptation.
format Preprint
id arxiv_https___arxiv_org_abs_2604_16968
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle On Safety Risks in Experience-Driven Self-Evolving Agents
Zhao, Weixiang
Zhang, Yichen
Wang, Yingshuo
Deng, Yang
Zhao, Yanyan
Zhi, Xuda
Huang, Yongbo
HaoHe
Che, Wanxiang
Qin, Bing
Liu, Ting
Computation and Language
Experience-driven self-evolution has emerged as a promising paradigm for improving the autonomy of large language model agents, yet its reliance on self-curated experience introduces underexplored safety risks. In this study, we investigate how experience accumulation and utilization in self-evolving agents affect safety performance across web-based and embodied environments. Notably, experience gathered solely from benign tasks can still compromise safety in high-risk scenarios. Further analysis attributes this degradation to the execution-oriented nature of accumulated experience, which reinforces agents' tendency to act rather than refuse. In more realistic settings where agents encounter both benign and harmful tasks, refusal-related experience mitigates safety decline but induces over-refusal, revealing a fundamental safety-utility trade-off. Overall, our findings expose inherent limitations of current self-evolving agents and call for more principled strategies to ensure safe and reliable adaptation.
title On Safety Risks in Experience-Driven Self-Evolving Agents
topic Computation and Language
url https://arxiv.org/abs/2604.16968