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Researchers used Anthropic’s Claude to hack into OpenAI

Written and edited by the WorldPing NewsdeskPublished Updated Original reporting: TechCrunch

What happened

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.

Key facts

  • Reported by TechCrunch and published Fri, 18 Sep 2026 14:00:14 UTC.

Why it matters

Platform, chip and AI decisions set the terms other companies have to build on, so a single announcement here tends to ripple through products, supply chains and regulation.

What to watch next

  • Availability, pricing and rollout regions
  • Independent testing or verification of the claims made
  • Responses from regulators and competing platforms

Coverage timeline

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

  1. Microsoft executive called OpenAI's web scraping the 'largest theft of labor in human history'

  2. Researchers used Claude to hack OpenAI

  3. Researchers used Anthropic’s Claude to hack into OpenAI

Sources

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

Read the full report at TechCrunch

Follow the story

Living hubs that keep updating as this story develops.

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