Researchers used Claude to hack OpenAI

What happened

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

Why it matters

The incident may affect operational continuity, asset safety or trust around OpenAI. Watch for verified scope and remediation.

Affected entities

View evidence

2 reports · 1 original report · 2 independent

1. Ars Technica AIPrimary source · Supports · EN · 100%
   Researchers used Claude to hack OpenAI ↗Sep 18, 2026, 9:30 AM
2. TechCrunch AIIndependent · Supports · EN · 88%
   Researchers used Anthropic’s Claude to hack into OpenAI ↗Sep 18, 2026, 10:00 AM

Claims

• Researchers used Claude to hack OpenAI Observed

Conflicts

No material conflict detected in the available evidence.

Timeline

1. September 18, 2026 at 9:30 AMFirst reported
2. Sep 18, 2026, 10:00 AMUnverified · 84/62%

Market move following event

Market reaction is not yet available for this asset and time window.

Score explanation