OpenAI Compaction Flaw Let Researchers Bypass Hidden Reasoning Protections
OpenAI's compaction feature, which shrinks a long conversation to save space, could be turned into a way to copy a model's hidden reasoning out in plain text, security firm Xint has shown. OpenAI's reasoning models work through a problem before answering, and the service normally returns only the raw reasoning as an encrypted item the user cannot read. The method got past
What happened
OpenAI's compaction feature, which shrinks a long conversation to save space, could be turned into a way to copy a model's hidden reasoning out in plain text, security firm Xint has shown. OpenAI's reasoning models work through a problem before answering, and the service normally returns only the raw reasoning as an encrypted item the user cannot read. The method got past
Why it matters
The development may change operating conditions or market expectations around OpenAI. Further confirmation and measurable outcomes matter.
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1 reports · 1 original report · 1 independent
- The Hacker NewsPrimary source · Supports · EN · 100%OpenAI Compaction Flaw Let Researchers Bypass Hidden Reasoning Protections ↗
Claims
- OpenAI Compaction Flaw Let Researchers Bypass Hidden Reasoning Protections Observed
Conflicts
No material conflict detected in the available evidence.
Timeline
- First reported
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