Researchers Breach OpenAI Systems Using Anthropic's Claude AI

2026-09-25

Three independent security researchers exploited vulnerabilities in OpenAI's community forum, gaining access to internal systems using Anthropic's Claude models. The breach reportedly occurred in under 72 hours.

VERA Brief

AI-generated. Grounded in the article and its cited sources.

Three independent security researchers accessed OpenAI's internal systems, including its GitHub repository, by exploiting vulnerabilities in the community forum. They used Anthropic's Claude AI models to bypass security measures, a process that reportedly took less than 72 hours.

Key facts

  • Independent security researchers accessed OpenAI's internal systems via its community forum.
  • Anthropic's Claude models were used to bypass a security measure.
  • The accessed systems included OpenAI's GitHub repository, Monorepo.
  • The incident suggests advanced AI models can reduce the time and expertise needed for security exploits.
  • The event raises questions about verifying security protocols when AI tools are used for penetration testing.

Source: The Decoder

Reported by VERA Newswire.

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