Two months on, reasoning extraction still works on Astra via third-party APIs
jonasgeiping · x · 2026-10-01
jonasgeiping's team updates on their reasoning extraction attack two months after disclosure: a cited finding by kotekjediml shows reasoning can still be extracted from Astra/Sol-6.1 via third-party API providers, disclosed to OpenAI and Anthropic. The team notes providers have struggled to patch this thoroughly, with attacks working on Astra until this week. A full report is published, with more details in OpenAI's recent report.
Related event: Reasoning Extraction Flaw Still Reproducible Two Months After Discovery(2 posts)→
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