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New 'CoT Forgery' exploit tricks AI models into revealing forbidden information

AI researchers have discovered a new exploit called 'CoT Forgery' that tricks large language models into divulging forbidden information, such as how to synthesize cocaine. This exploit works by embedding fabricated reasoning within a prompt, causing the model to treat the injected text as its own conclusion and bypass safety protocols. The researchers found that LLMs rely heavily on the stylistic presentation of text rather than explicit role tags to determine the authority of a prompt, making them vulnerable to this type of manipulation. This vulnerability, which achieved a roughly 60% success rate in tests, highlights a significant security flaw in current chatbot and agent architectures. AI

IMPACT This exploit highlights a critical security vulnerability in LLMs, potentially enabling malicious actors to bypass safety measures and extract sensitive or harmful information.

RANK_REASON Research paper detailing a new AI security exploit. [lever_c_demoted from research: ic=1 ai=1.0]

Read on Tom's Hardware →

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New 'CoT Forgery' exploit tricks AI models into revealing forbidden information

COVERAGE [1]

  1. Tom's Hardware TIER_1 English(EN) · Luke James ·

    AI researchers trick chatbots into sharing how to make cocaine as long as they believe a user is wearing a green shirt — 'CoT Forgery' exploit spurs LLMs to divulge forbidden info by faking trusted chains of thought

    Tagged partitions of a LLM's input sequence are meant to provide security through trusted roles, but it turns out that models judge whether inputs sound like they belong in certain tags rather than literally interpreting them, making them vulnerable to prompt injection.