SeqAR: Jailbreak LLMs with Sequential Auto-Generated Characters

• URL: http://arxiv.org/abs/2407.01902v2
• Date: Sun, 02 Mar 2025 06:28:59 GMT
• Title: SeqAR: Jailbreak LLMs with Sequential Auto-Generated Characters
• Authors: Yan Yang, Zeguan Xiao, Xin Lu, Hongru Wang, Xuetao Wei, Hailiang Huang, Guanhua Chen, Yun Chen,
• Abstract summary: We introduce SeqAR, a framework to design jailbreak prompts automatically.<n>We show that SeqAR achieves success rates of 88% and 60% in bypassing the safety alignment of GPT-35-11.06 and GPT-4.
• Score: 17.077233047780144
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The widespread applications of large language models (LLMs) have brought about concerns regarding their potential misuse. Although aligned with human preference data before release, LLMs remain vulnerable to various malicious attacks. In this paper, we adopt a red-teaming strategy to enhance LLM safety and introduce SeqAR, a simple yet effective framework to design jailbreak prompts automatically. The SeqAR framework generates and optimizes multiple jailbreak characters and then applies sequential jailbreak characters in a single query to bypass the guardrails of the target LLM. Different from previous work which relies on proprietary LLMs or seed jailbreak templates crafted by human expertise, SeqAR can generate and optimize the jailbreak prompt in a cold-start scenario using open-sourced LLMs without any seed jailbreak templates. Experimental results show that SeqAR achieves attack success rates of 88% and 60% in bypassing the safety alignment of GPT-3.5-1106 and GPT-4, respectively. Furthermore, we extensively evaluate the transferability of the generated templates across different LLMs and held-out malicious requests, while also exploring defense strategies against the jailbreak attack designed by SeqAR.

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