Stealing Reasoning Traces from Proprietary LLM APIs

stolen-thoughts.com
August 11, 2026
13 min read
🔥🔥🔥🔥🔥
71/100
Summary
Proprietary LLM APIs can have reasoning traces extracted, which may include sensitive information such as API keys and tokens. A method is proposed to sanitize repositories by searching for specific patterns related to sensitive data while avoiding modifications to non-sensitive files.
Key Takeaways
- The article outlines a method for sanitizing code repositories to remove sensitive API keys and tokens, including patterns like "api_key", "apikey", and "token".
- Specific tokens found during the sanitization process include AWS keys, GitHub tokens, and Hugging Face tokens, which need to be replaced with placeholders.
- The use of the grep command is emphasized for searching and identifying sensitive information within files, including JSON and YAML formats.
- The process involves careful inspection of files to ensure that no sensitive information is left unmodified while replacing actual values with consistent placeholder values.
Coverage & discussions
Hacker News · stolen-thoughts.com
Community discussions
Hacker News discussion ↗
Historical count: 5 · 5 saved in sample · Historical sample
Analysis ready
Community Sentiment
Positives
- This research paper is top-notch in styling — a beautiful presentation that stands out in the AI landscape.
- Super cool that this replaying technique actually works; it opens up a world of possibilities for model interaction and experimentation.
- The idea that OpenAI models reason in 'grug speak' is fascinating; it highlights the quirky efficiency strategies that might emerge in open models too.
Concerns
- There's a serious security issue with how user session data isn't tightly controlled, making hijacking a breeze for malicious actors.
- The fact that companies reuse the same encryption key across models raises red flags about potential vulnerabilities and attacks.
- If AI providers lock models during use, it could stifle creativity and limit the flexibility of developers trying to innovate.




