{"slug": "openai-compaction-flaw-exposes-hidden-reasoning-protections", "title": "OpenAI Compaction Flaw Exposes Hidden Reasoning Protections", "summary": "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.", "body_md": "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.", "url": "https://wpnews.pro/news/openai-compaction-flaw-exposes-hidden-reasoning-protections", "canonical_source": "https://osintsights.com/openai-compaction-flaw-exposes-hidden-reasoning-protections", "published_at": "2026-10-27 09:54:22+00:00", "updated_at": "2026-10-27 10:14:56.066001+00:00", "lang": "en", "topics": ["ai-safety", "artificial-intelligence", "large-language-models"], "entities": ["OpenAI", "Xint"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/openai-compaction-flaw-exposes-hidden-reasoning-protections", "markdown": "https://wpnews.pro/news/openai-compaction-flaw-exposes-hidden-reasoning-protections.md", "text": "https://wpnews.pro/news/openai-compaction-flaw-exposes-hidden-reasoning-protections.txt", "jsonld": "https://wpnews.pro/news/openai-compaction-flaw-exposes-hidden-reasoning-protections.jsonld"}}