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OpenAI Hacked by Researchers Using Claude

Hacktron said the exploit chain let three researchers reach OpenAI’s internal GitHub environment after a forum flaw and identity issue, and OpenAI paid a $6,500 bounty.

  • Security startup Hacktron disclosed this week that it used Anthropic's Claude Opus 5 to compromise an OpenAI employee's ChatGPT account by exploiting a vulnerability in the company's community forum.
  • Researchers discovered a heap buffer overflow in the forum's libheif image-processing software, which they developed into a functional exploit chain using Claude Opus 5 in less than 72 hours, according to Hacktron.
  • After gaining forum access, the team exploited an identity flaw to compromise an employee's Codex account, then used it to generate a benign pull request within OpenAI's internal GitHub repository.
  • OpenAI patched the community forum, revoked affected sessions, and paid Hacktron a $6,500 bounty, though the company has not published a detailed account of the incident.
  • CEO Zayne Zhang of Hacktron noted that "the worlds of AI safety and cybersecurity are converging," highlighting how AI agents with broad credential access create new attack surfaces across internal infrastructure.
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129 Articles

Lean Left

Three investigators used Claude to commit OpenAI accounts in less than 72 hours and alert about the new offensive power of AI.

·Los Angeles, United States
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Hacktron AI researchers violated ChatGPT accounts using Anthropic models. OpenAI corrected the security failure in a few hours.

Center

Researchers from the Hacktron AI start-up accessed the ChatGPT accounts of OpenAI employees using an artificial intelligence (IA) model from Anthropic.

·Warsaw, Poland
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Lean Left

WITH THE HELP of the Claude chatbot, researchers broke into OpenAI's systems, proving that artificial intelligence significantly speeds up and facilitates hacking attacks.

·Zagreb, Croatia
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