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AI security experts say they used Claude to hack ChatGPT

A concise, source-backed record of what materially changed.

By Rally Point News · AI-assisted aggregation with source attribution

Updated Sep 18, 2026 · 8:47 PM EDTTracking since Sep 17, 2026 · 6:30 PM EDT3 material developments6 sources
Archived timeline. This page is preserved as a historical record and is no longer actively updating. The status below reflects the last material development Rally Point tracked.

UPDATE

Current status

Security researchers used Claude to help them hack into OpenAI.

· The Verge ↗

NEWEST FIRSTEastern Time · material updates only

  1. UPDATE

    Security researchers used Claude to help them hack into OpenAI

    Sources: The Verge ↗ · CBS News ↗theverge.com

  2. UPDATE

    Legal hackers used Anthropic's AI Claude to gain access to an OpenAI employee's ChatGPT account

    Sources: Just the News ↗ · Ars Technica ↗ · TechCrunch ↗justthenews.com

  3. CONTEXT

    Anthropic says Claude 'leads' 26 percent of its AI R&D work

    Source: Engadget ↗engadget.com

You’ve reached the beginning.That’s the earliest material development tracked in this story.

Sources tracking this story

Ars Technica · CBS News · Engadget · Just the News · TechCrunch · The Verge

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