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Researchers used Claude to hack OpenAI

First reported Fri, 18 Sep 2026 13:30:12 GMT · Last updated

Archived story. Not updated since 2026-09-19 13:23 UTC. Newsei is updated manually, so events may have moved on — check the original reporting below.
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Researchers used Claude to hack OpenAI
Ars Technica · published 2026-09-18 13:30 UTC
Researchers used Claude to hack OpenAI
Lead image via Ars Technica

Cyber researchers broke into OpenAI using its key rival Anthropic’s software, highlighting vulnerabilities in the ChatGPT maker’s security as leading AI companies face mounting scrutiny over safety. A small cyber security group gained access to an OpenAI employee’s ChatGPT account, which permitted them to read private software information and suggest changes. The researchers had been given access to an Anthropic tool specifically designed for security professionals, and were paid for the work as part of a program to find vulnerabilities before they could be exploited by bad actors. Read full article Comments ]]>

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  • Ars Technica
    Researchers used Claude to hack OpenAI

    Cyber researchers broke into OpenAI using its key rival Anthropic’s software, highlighting vulnerabilities in the ChatGPT maker’s security as leading AI companies face mounting scrutiny over safety. A small cyber security group gained access to an OpenAI employee’s ChatGPT account, which permitted them to read private software information and suggest changes. The researchers had been given access to an Anthropic tool specifically designed for security professionals, and were paid for the work as part of a program to find vulnerabilities before they could be exploited by bad actors. Read full article Comments ]]>

    Fri, 18 Sep 2026 13:30:12 GMT

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  1. 2026-09-18 13:30Ars Technica — Researchers used Claude to hack OpenAI

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