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The DecoderAugust 11, 2026· 1 min read

"But marinade" and leaked passwords are what researchers found in ChatGPT's hidden reasoning

Security researchers found vulnerabilities in popular AI models, including ChatGPT, that allow them to extract hidden reasoning and access sensitive data like passwords and API keys.

What happened

Researchers discovered a flaw in the APIs of OpenAI, Anthropic, and Google that lets them extract encrypted reasoning traces. These traces show what the AI models are actually doing, often hiding it from users. A scan of public sessions also turned up dozens of exposed passwords and API keys.

Why it matters

This vulnerability could allow hackers to access sensitive business data, compromise customer information, or even disrupt operations. You should review your organization's use of these AI models and consider implementing additional security measures to protect your data.

The takeaway

Review your use of AI models and consider implementing extra security measures to protect your data and prevent potential breaches.

Read the original at The Decoder

Our plain-English take, written from public reporting for operational business owners. Always read the original for full context.

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