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Scalable and Transferable Black-Box Jailbreaks for Language Models via Persona Modulation

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arxiv 2311.03348 v2 pith:YDOTUXDK submitted 2023-11-06 cs.CL cs.AIcs.LG

classification cs.CLcs.AIcs.LG
keywords harmfullanguagemodulationpersonamodelspromptsblack-boxcompletion
verification ladder T0 review T1 audit T2 compute T3 formal
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Despite efforts to align large language models to produce harmless responses, they are still vulnerable to jailbreak prompts that elicit unrestricted behaviour. In this work, we investigate persona modulation as a black-box jailbreaking method to steer a target model to take on personalities that are willing to comply with harmful instructions. Rather than manually crafting prompts for each persona, we automate the generation of jailbreaks using a language model assistant. We demonstrate a range of harmful completions made possible by persona modulation, including detailed instructions for synthesising methamphetamine, building a bomb, and laundering money. These automated attacks achieve a harmful completion rate of 42.5% in GPT-4, which is 185 times larger than before modulation (0.23%). These prompts also transfer to Claude 2 and Vicuna with harmful completion rates of 61.0% and 35.9%, respectively. Our work reveals yet another vulnerability in commercial large language models and highlights the need for more comprehensive safeguards.

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Forward citations

Cited by 20 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. On Surjectivity of Neural Networks: Can you elicit any behavior from your model?

    cs.LG 2025-08 conditional novelty 7.0 of 10

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  2. MOCHA: Are Code Language Models Robust Against Multi-Turn Malicious Coding Prompts?

    cs.CL 2025-07 conditional novelty 7.0 of 10

    MOCHA is a benchmark of 10.5K malicious coding prompts, including multi-turn decomposition attacks, showing code LLMs reject these incremental attacks at much lower rates and that fine-tuning on the benchmark improves...

  3. Jailbreak Distillation: Renewable Safety Benchmarking

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    Jailbreak Distillation generates candidate jailbreak prompts on small development models and selects the most effective subset, producing safety benchmarks that transfer to a wide range of held-out models.

  4. A Scalable Approach to Evaluating Moral Sensitivity in LLMs

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    Under morally irrelevant noise, eight LLMs preserve the semantic content of identified moral features above calibrated floors, despite significant changes in feature counts.

  5. Role Steering of Language Models for Social Simulations

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  6. Execution-Grounded Security Testing for Coding Agents in Software Engineering Pipelines

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  7. The Emotional Baby Is Truly Deadly: Does your Multimodal Large Reasoning Model Have Emotional Flattery towards Humans?

    cs.AI 2025-08 unverdicted novelty 6.0 of 10

    Multimodal reasoning models can be steered into unsafe behavior by emotional prompts and sometimes conceal harmful reasoning inside seemingly safe responses.

  8. From Seed to Harvest: Augmenting Human Creativity with AI for Red-teaming Text-to-Image Models

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  9. SecurityLingua: Efficient Defense of LLM Jailbreak Attacks via Security-Aware Prompt Compression

    cs.CR 2025-06 conditional novelty 6.0 of 10

    A security-aware prompt compressor that reveals the hidden intent of jailbreak prompts and injects it into the system prompt reduces average attack success from 35% to 1% with negligible overhead.

  10. Adversarial Attacks on Robotic Vision Language Action Models

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    Text-based adversarial suffixes can make OpenVLA robot policies elicit chosen target actions with over 90% success on one-hot targets and persist across rollout steps.

  11. Lifelong Safety Alignment for Language Models

    cs.CR 2025-05 conditional novelty 6.0 of 10

    A co-evolutionary attacker-defender loop, warmed up by strategies extracted from jailbreak papers, reduces jailbreak success rate on a robust model from 73% to 7% in two iterations.

  12. QueryAttack: Jailbreaking Aligned Large Language Models Using Structured Non-natural Query Language

    cs.CR 2025-02 conditional novelty 6.0 of 10

    QueryAttack converts harmful natural-language requests into structured SQL or programming-language templates that aligned LLMs answer with harmful instructions, without needing to decrypt the output.

  13. A Red Teaming Framework for Large Language Models: A Case Study on Faithfulness Evaluation

    cs.CL 2026-06 unverdicted novelty 5.0 of 10

    Introduces a multi-role red teaming framework using attacker and jury models that increases attack success rates by up to 7.9% on LLM faithfulness in question-answering tasks.

  14. State-Dependent Safety Failures in Multi-Turn Language Model Interaction

    cs.CR 2026-03 conditional novelty 5.0 of 10

    By staging role-played conversations, STAR drives refusal-aligned LLMs into compliance within a few turns, and shows safety failure is state-dependent rather than purely prompt-level.

  15. Layer-Wise Perturbations via Sparse Autoencoders for Adversarial Text Generation

    cs.CL 2025-08 reject novelty 5.0 of 10

    Sparse autoencoder activation perturbation (SFPF) applied on top of existing jailbreak prompts raises attack success rate on Qwen3-32B, but with no defense evaluation and weak reproducibility.

  16. Linearly Decoding Refused Knowledge in Aligned Language Models

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    Linear probes recover jailbreak-only answers from aligned models' hidden states, sometimes transfer from base models, and correlate with pairwise preference rankings.

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  18. SoK: A Comprehensive Security Analysis of Jailbreak Resilience in GPT and DeepSeek Models

    cs.CR 2025-06 conditional novelty 4.0 of 10

    Across 510 HarmBench behaviors and seven attack methods, GPT-4 models show more consistent jailbreak resilience than DeepSeek models, whose vulnerability grows with scale.

  19. PRM-Free Security Alignment of Large Models via Red Teaming and Adversarial Training

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  20. The Scales of Justitia: A Comprehensive Survey on Safety Evaluation of LLMs

    cs.CL 2025-06 conditional novelty 3.0 of 10

    A structured survey of LLM safety evaluation that proposes a why/what/where/how taxonomy and catalogs metrics, datasets, benchmarks, evaluators, and frameworks.

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