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[ARTICLE · art-158637] src=osintsights.com ↗ pub= topic=ai-safety verified=true sentiment=↓ negative

OpenAI Compaction Flaw Exposes Hidden Reasoning Protections

Researchers at Xint extracted OpenAI's encrypted hidden reasoning content as plain text by exploiting a server-side compaction feature, and OpenAI paid the team a $6,000 bounty for the disclosure. The finding exposes a vulnerability in how OpenAI's system handles protected reasoning data.

by read1 min views2 publishedOct 27, 2026

Researchers at Xint discovered a clever way to tap into OpenAI's hidden reasoning processes, exploiting a server-side compaction feature to extract encrypted model insights and turning them into plain text. They were rewarded with a $6,000 payout for their trouble, a nice payday for exposing a vulnerability in OpenAI's system.

source & further reading
osintsights.com — original article Helsing Unveils Contra Air Defense System with New Interceptors Anthropic AI Model Exploits Paywall to Access US Voter Data Researchers Expose Geopolitical Bias in AI Coding Model Qwen3-Coder
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