White Hats Used Anthropic’s Claude to Break Into OpenAI in 72 Hours

Written and edited by the WorldPing NewsdeskPublished Updated Original reporting: Bitcoin.com
White Hats Used Anthropic’s Claude to Break Into OpenAI in 72 HoursWorldPing
Image via Bitcoin.com.

What happened

A small team of researchers chained three bugs with Anthropic’s Claude Opus 5 and ended up inside OpenAI’s private code repository.

The whole job took under 72 hours, and OpenAI paid $6,500 for it.

Key facts

  • A small team of researchers chained three bugs with Anthropic’s Claude Opus 5 and ended up inside OpenAI’s private code repository.
  • The whole job took under 72 hours, and OpenAI paid $6,500 for it.
  • Reported by Bitcoin.com and published Fri, 18 Sep 2026 10:30:27 UTC.

Why it matters

Digital-asset markets react to catalysts within minutes, and liquidity, ETF flows and regulatory signals are usually what decide whether a move sticks.

What to watch next

  • Whether spot volume and open interest confirm the move
  • Liquidation clusters around the current price
  • ETF flow data and any regulatory follow-up

Coverage timeline

When each newsroom published on this story, oldest first — all times UTC.

  1. White Hats Used Anthropic’s Claude to Break Into OpenAI in 72 Hours

  2. CFTC files crypto asset rulemaking with White House, pressing ahead without Congress

Sources

The original report was published by Bitcoin.com. WorldPing does not claim that reporting — this page summarises and contextualises it.

Read the full report at Bitcoin.com

Follow the story

Living hubs that keep updating as this story develops.

Related WorldPing coverage

TechCrunch
WorldPing
TechCrunch

Researchers used Anthropic’s Claude to hack into OpenAI

Security researchers used Anthropic’s Claude to exploit vulnerabilities in OpenAI’s systems, taking over employee accounts and gaining access to an internal code repository before reporting the flaws.

Brief by WorldPing · Original reporting by TechCrunch

Researchers used Claude to hack OpenAIWorldPing
Ars Technica

Researchers used Claude to hack OpenAI

Researchers used Claude to reach an OpenAI employee account and sensitive GitHub data.

Brief by WorldPing · Original reporting by Ars Technica

OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbotWorldPing
The Guardian

OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbot

US cybersecurity researchers who conducted hack say ‘scope of what we could theoretically access was huge’ Cybersecurity researchers have hacked into OpenAI with the help of Anthropic’s Claude chatbot, in the latest example of security issues at the company.

Brief by WorldPing · Original reporting by The Guardian