When LLM Meets DRL: Advancing Jailbreaking Efficiency via DRL-guided Search
On the map: LLM safety and security → Jailbreaking
Abstract (arXiv)
Recent studies developed jailbreaking attacks, which construct jailbreaking prompts to fool LLMs into responding to harmful questions. Early-stage jailbreaking attacks require access to model internals or significant human efforts. More advanced attacks utilize genetic algorithms for automatic and black-box attacks. However, the random nature of genetic algorithms significantly limits the effectiveness of these attacks. In this paper, we propose RLbreaker, a black-box jailbreaking attack driven by deep reinforcement learning (DRL). We model jailbreaking as a search problem and design an RL agent to guide the search, which is more effective and has less randomness than stochastic search, such as genetic algorithms. Specifically, we design a customized DRL system for the jailbreaking problem, including a novel reward function and a customized proximal policy optimization (PPO) algorithm. Through extensive experiments, we demonstrate that RLbreaker is much more effective than existing jailbreaking attacks against six state-of-the-art (SOTA) LLMs. We also show that RLbreaker is robust against three SOTA defenses and its trained agents can transfer across different LLMs. We further validate the key design choices of RLbreaker via a comprehensive ablation study.
Key facts. Cited by 42 papers in the map (data through 7 Oct 2026). Placed in Jailbreaking, one of 12 directions in LLM safety and security. First posted on arXiv 13 Jun 2024.
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Citing papers per year: 2024: 4; 2025: 22; 2026: 16.
42 papers.
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- 2025Large Language Model Agent: A Survey on Methodology, Applications and Challengescited by 194
- 2025AgentVigil: Generic Black-Box Red-teaming for Indirect Prompt Injection against LLM Agentscited by 42
- 2025Frontier AI's Impact on the Cybersecurity Landscapecited by 21
- 2024PAPILLON: Efficient and Stealthy Fuzz Testing-Powered Jailbreaks for LLMscited by 20
- 2024PROMPTFUZZ: Harnessing Fuzzing Techniques for Robust Testing of Prompt Injection in LLMscited by 17
- 2025SoK: Evaluating Jailbreak Guardrails for Large Language Modelscited by 17
- 2024LeakAgent: RL-based Red-teaming Agent for LLM Privacy Leakagecited by 13
- 2026Obscure but Effective: Classical Chinese Jailbreak Prompt Optimization via Bio-Inspired Searchcited by 10
- 2024PathSeeker: Exploring LLM Security Vulnerabilities with a Reinforcement Learning-Based Jailbreak Approachcited by 9
- 2025When Style Breaks Safety: Defending LLMs Against Superficial Style Alignmentcited by 6
- 2025ASTRA: Autonomous Spatial-Temporal Red-teaming for AI Software Assistantscited by 6
- 2025Dynamics of Adversarial Attacks on Large Language Model-Based Search Enginescited by 5
30 more
- 2025TurboFuzzLLM: Turbocharging Mutation-based Fuzzing for Effectively Jailbreaking Large Language Models in Practicecited by 5
- 2025Sugar-Coated Poison: Benign Generation Unlocks LLM Jailbreakingcited by 5
- 2025OMNIGUARD: An Efficient Approach for AI Safety Moderation Across Languages and Modalitiescited by 5
- 2025MOCHA: Are Code Language Models Robust Against Multi-Turn Malicious Coding Prompts?cited by 5
- 2025Active Attacks: Red-teaming LLMs via Adaptive Environmentscited by 5
- 2025VERA: Variational Inference Framework for Jailbreaking Large Language Modelscited by 4
- 2025SoK: Systematizing LLM Prompt Security: Taxonomies, Datasets, and Unified Evaluation of Attacks and Defensescited by 4
- 2026SoK: The Pitfalls of Deep Reinforcement Learning for Cybersecuritycited by 4
- 2026TRACE: Task-Aware Adaptive Self-Evolving Agentic Jailbreakingcited by 4
- 2025MIST: Jailbreaking Black-box Large Language Models via Iterative Semantic Tuningcited by 3
- 2026Beyond Rewards in Reinforcement Learning for Cyber Defencecited by 3
- 2025NonTextual Target Attackcited by 2
- 2026Systematic Scaling Analysis of Jailbreak Attacks in Large Language Modelscited by 2
- 2026ADR: An Agentic Detection System for Enterprise Agentic AI Securitycited by 2
- 2025MetaCipher: A Time-Persistent and Universal Multi-Agent Framework for Cipher-Based Jailbreak Attacks for LLMscited by 1
- 2025LLM in the Middle: A Systematic Review of Threats and Mitigations to Real-World LLM-based Systemscited by 1
- 2025Casting a SPELL: Sentence Pairing Exploration for LLM Limitation-breakingcited by 1
- 2025Jailbreak-Zero: A Path to Pareto Optimal Red Teaming for Large Language Modelscited by 1
- 2026TrailBlazer: History-Guided Reinforcement Learning for Black-Box LLM Jailbreakingcited by 1
- 2026Risk-Adjusted Harm Scoring for Automated Red Teaming for LLMs in Financial Servicescited by 1
- 2026FineSteer: A Unified Framework for Fine-Grained Inference-Time Steering in Large Language Modelscited by 1
- 2025Evaluating Multi-Agent Defences Against Jailbreaking Attacks on Large Language Modelscited by 0
- 2025SoK: a Comprehensive Causality Analysis Framework for Large Language Model Securitycited by 0
- 2026One Turn Too Late: Learning When to Intervene Against Multi-Turn Malicious Intentcited by 0
- 2026A Systematic Investigation of RL-Jailbreaking in LLMscited by 0
- 2026The Art of the Jailbreak: Formulating Jailbreak Attacks for LLM Security Beyond Binary Scoringcited by 0
- 2026LASH: Adaptive Semantic Hybridization for Black-Box Jailbreaking of Large Language Modelscited by 0
- 2026Improving Generalization Robustness of Multimodal RLVRcited by 0
- 2026Monitor Jailbreaking: Evading Chain-of-Thought Monitoring Without Encoded Reasoningcited by 0
- 2026AgentXploit: Autonomous Repository-to-Runtime Red-Teaming for AI Agentscited by 0
- 2026AgentXploit: Autonomous Repository-to-Runtime Red-Teaming for AI Agents25 Sep 2026
- 2026Monitor Jailbreaking: Evading Chain-of-Thought Monitoring Without Encoded Reasoning25 Sep 2026
- 2026Improving Generalization Robustness of Multimodal RLVR9 Aug 2026
- 2026TRACE: Task-Aware Adaptive Self-Evolving Agentic Jailbreaking29 May 2026
- 2026LASH: Adaptive Semantic Hybridization for Black-Box Jailbreaking of Large Language Models20 May 2026
- 2026ADR: An Agentic Detection System for Enterprise Agentic AI Security17 May 2026
- 2026The Art of the Jailbreak: Formulating Jailbreak Attacks for LLM Security Beyond Binary Scoring9 May 2026
- 2026A Systematic Investigation of RL-Jailbreaking in LLMs7 May 2026
- 2026One Turn Too Late: Learning When to Intervene Against Multi-Turn Malicious Intent7 May 2026
- 2026FineSteer: A Unified Framework for Fine-Grained Inference-Time Steering in Large Language Models16 Apr 2026
- 2026Systematic Scaling Analysis of Jailbreak Attacks in Large Language Models11 Mar 2026
- 2026Risk-Adjusted Harm Scoring for Automated Red Teaming for LLMs in Financial Services11 Mar 2026
30 more
- 2026Obscure but Effective: Classical Chinese Jailbreak Prompt Optimization via Bio-Inspired Search26 Feb 2026
- 2026SoK: The Pitfalls of Deep Reinforcement Learning for Cybersecurity9 Feb 2026
- 2026TrailBlazer: History-Guided Reinforcement Learning for Black-Box LLM Jailbreaking6 Feb 2026
- 2026Beyond Rewards in Reinforcement Learning for Cyber Defence4 Feb 2026
- 2025Casting a SPELL: Sentence Pairing Exploration for LLM Limitation-breaking24 Dec 2025
- 2025Jailbreak-Zero: A Path to Pareto Optimal Red Teaming for Large Language Models18 Dec 2025
- 2025SoK: a Comprehensive Causality Analysis Framework for Large Language Model Security4 Dec 2025
- 2025SoK: Systematizing LLM Prompt Security: Taxonomies, Datasets, and Unified Evaluation of Attacks and Defenses17 Oct 2025
- 2025NonTextual Target Attack3 Oct 2025
- 2025Active Attacks: Red-teaming LLMs via Adaptive Environments26 Sep 2025
- 2025LLM in the Middle: A Systematic Review of Threats and Mitigations to Real-World LLM-based Systems12 Sep 2025
- 2025ASTRA: Autonomous Spatial-Temporal Red-teaming for AI Software Assistants5 Aug 2025
- 2025MOCHA: Are Code Language Models Robust Against Multi-Turn Malicious Coding Prompts?25 Jul 2025
- 2025Evaluating Multi-Agent Defences Against Jailbreaking Attacks on Large Language Models30 Jun 2025
- 2025VERA: Variational Inference Framework for Jailbreaking Large Language Models27 Jun 2025
- 2025MetaCipher: A Time-Persistent and Universal Multi-Agent Framework for Cipher-Based Jailbreak Attacks for LLMs27 Jun 2025
- 2025MIST: Jailbreaking Black-box Large Language Models via Iterative Semantic Tuning20 Jun 2025
- 2025SoK: Evaluating Jailbreak Guardrails for Large Language Models12 Jun 2025
- 2025When Style Breaks Safety: Defending LLMs Against Superficial Style Alignment9 Jun 2025
- 2025OMNIGUARD: An Efficient Approach for AI Safety Moderation Across Languages and Modalities29 May 2025
- 2025AgentVigil: Generic Black-Box Red-teaming for Indirect Prompt Injection against LLM Agents9 May 2025
- 2025Sugar-Coated Poison: Benign Generation Unlocks LLM Jailbreaking8 Apr 2025
- 2025Frontier AI's Impact on the Cybersecurity Landscape7 Apr 2025
- 2025Large Language Model Agent: A Survey on Methodology, Applications and Challenges27 Mar 2025
- 2025TurboFuzzLLM: Turbocharging Mutation-based Fuzzing for Effectively Jailbreaking Large Language Models in Practice21 Feb 2025
- 2025Dynamics of Adversarial Attacks on Large Language Model-Based Search Engines1 Jan 2025
- 2024LeakAgent: RL-based Red-teaming Agent for LLM Privacy Leakage7 Dec 2024
- 2024PAPILLON: Efficient and Stealthy Fuzz Testing-Powered Jailbreaks for LLMs23 Sep 2024
- 2024PROMPTFUZZ: Harnessing Fuzzing Techniques for Robust Testing of Prompt Injection in LLMs23 Sep 2024
- 2024PathSeeker: Exploring LLM Security Vulnerabilities with a Reinforcement Learning-Based Jailbreak Approach21 Sep 2024
- 2024PAPILLON: Efficient and Stealthy Fuzz Testing-Powered Jailbreaks for LLMscited by 20
- 2024PROMPTFUZZ: Harnessing Fuzzing Techniques for Robust Testing of Prompt Injection in LLMscited by 17
- 2026Obscure but Effective: Classical Chinese Jailbreak Prompt Optimization via Bio-Inspired Searchcited by 10
- 2024PathSeeker: Exploring LLM Security Vulnerabilities with a Reinforcement Learning-Based Jailbreak Approachcited by 9
- 2025When Style Breaks Safety: Defending LLMs Against Superficial Style Alignmentcited by 6
- 2025ASTRA: Autonomous Spatial-Temporal Red-teaming for AI Software Assistantscited by 6
- 2025TurboFuzzLLM: Turbocharging Mutation-based Fuzzing for Effectively Jailbreaking Large Language Models in Practicecited by 5
- 2025Sugar-Coated Poison: Benign Generation Unlocks LLM Jailbreakingcited by 5
- 2025OMNIGUARD: An Efficient Approach for AI Safety Moderation Across Languages and Modalitiescited by 5
- 2025Active Attacks: Red-teaming LLMs via Adaptive Environmentscited by 5
- 2025VERA: Variational Inference Framework for Jailbreaking Large Language Modelscited by 4
- 2025SoK: Systematizing LLM Prompt Security: Taxonomies, Datasets, and Unified Evaluation of Attacks and Defensescited by 4
12 most cited of 21 All 21 (JSON)
- 2026A Systematic Investigation of RL-Jailbreaking in LLMs7 May 2026
- 2026Systematic Scaling Analysis of Jailbreak Attacks in Large Language Models11 Mar 2026
- 2026Risk-Adjusted Harm Scoring for Automated Red Teaming for LLMs in Financial Services11 Mar 2026
- 2026Obscure but Effective: Classical Chinese Jailbreak Prompt Optimization via Bio-Inspired Search26 Feb 2026
- 2026TrailBlazer: History-Guided Reinforcement Learning for Black-Box LLM Jailbreaking6 Feb 2026
- 2025Casting a SPELL: Sentence Pairing Exploration for LLM Limitation-breaking24 Dec 2025
- 2025Jailbreak-Zero: A Path to Pareto Optimal Red Teaming for Large Language Models18 Dec 2025
- 2025SoK: a Comprehensive Causality Analysis Framework for Large Language Model Security4 Dec 2025
- 2025SoK: Systematizing LLM Prompt Security: Taxonomies, Datasets, and Unified Evaluation of Attacks and Defenses17 Oct 2025
- 2025NonTextual Target Attack3 Oct 2025
- 2025Active Attacks: Red-teaming LLMs via Adaptive Environments26 Sep 2025
- 2025ASTRA: Autonomous Spatial-Temporal Red-teaming for AI Software Assistants5 Aug 2025
12 newest of 21 All 21 (JSON)
- 2025Large Language Model Agent: A Survey on Methodology, Applications and Challengescited by 194
- 2024LeakAgent: RL-based Red-teaming Agent for LLM Privacy Leakagecited by 13
- 2026TRACE: Task-Aware Adaptive Self-Evolving Agentic Jailbreakingcited by 4
- 2026ADR: An Agentic Detection System for Enterprise Agentic AI Securitycited by 2
- 2025MetaCipher: A Time-Persistent and Universal Multi-Agent Framework for Cipher-Based Jailbreak Attacks for LLMscited by 1
- 2025Evaluating Multi-Agent Defences Against Jailbreaking Attacks on Large Language Modelscited by 0
- 2026AgentXploit: Autonomous Repository-to-Runtime Red-Teaming for AI Agentscited by 0
- 2026AgentXploit: Autonomous Repository-to-Runtime Red-Teaming for AI Agents25 Sep 2026
- 2026TRACE: Task-Aware Adaptive Self-Evolving Agentic Jailbreaking29 May 2026
- 2026ADR: An Agentic Detection System for Enterprise Agentic AI Security17 May 2026
- 2025Evaluating Multi-Agent Defences Against Jailbreaking Attacks on Large Language Models30 Jun 2025
- 2025MetaCipher: A Time-Persistent and Universal Multi-Agent Framework for Cipher-Based Jailbreak Attacks for LLMs27 Jun 2025
- 2025Large Language Model Agent: A Survey on Methodology, Applications and Challenges27 Mar 2025
- 2024LeakAgent: RL-based Red-teaming Agent for LLM Privacy Leakage7 Dec 2024
- 2026Improving Generalization Robustness of Multimodal RLVRcited by 0
- 2026Improving Generalization Robustness of Multimodal RLVR9 Aug 2026
- 2025Frontier AI's Impact on the Cybersecurity Landscapecited by 21
- 2025Dynamics of Adversarial Attacks on Large Language Model-Based Search Enginescited by 5
- 2025MOCHA: Are Code Language Models Robust Against Multi-Turn Malicious Coding Prompts?cited by 5
- 2026SoK: The Pitfalls of Deep Reinforcement Learning for Cybersecuritycited by 4
- 2026Beyond Rewards in Reinforcement Learning for Cyber Defencecited by 3
- 2025LLM in the Middle: A Systematic Review of Threats and Mitigations to Real-World LLM-based Systemscited by 1
- 2026FineSteer: A Unified Framework for Fine-Grained Inference-Time Steering in Large Language Modelscited by 1
- 2026One Turn Too Late: Learning When to Intervene Against Multi-Turn Malicious Intentcited by 0
- 2026One Turn Too Late: Learning When to Intervene Against Multi-Turn Malicious Intent7 May 2026
- 2026FineSteer: A Unified Framework for Fine-Grained Inference-Time Steering in Large Language Models16 Apr 2026
- 2026SoK: The Pitfalls of Deep Reinforcement Learning for Cybersecurity9 Feb 2026
- 2026Beyond Rewards in Reinforcement Learning for Cyber Defence4 Feb 2026
- 2025LLM in the Middle: A Systematic Review of Threats and Mitigations to Real-World LLM-based Systems12 Sep 2025
- 2025MOCHA: Are Code Language Models Robust Against Multi-Turn Malicious Coding Prompts?25 Jul 2025
- 2025Frontier AI's Impact on the Cybersecurity Landscape7 Apr 2025
- 2025Dynamics of Adversarial Attacks on Large Language Model-Based Search Engines1 Jan 2025