Wire · opportunities
Researchers hack OpenAI with Claude's help
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AI & ML
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United States
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Fusion42 · 19 September 2026 · Fusion42 review
Researchers exploited a vulnerability in OpenAI's single sign-on system via a third-party forum dependency to access internal repositories, with the exploit developed using Anthropic's Claude AI. OpenAI swiftly patched the flaw within 14 hours and rewarded the researchers $6,500.
This Wire brief sits within Fusion42's coverage of AI & ML.
◆ ◆ The Wire takeaway
Your AI product's login setup can become an unexpected backdoor to sensitive assets, as OpenAI's breach shows. You must urgently audit and harden third-party login integrations to protect your IP and customer data.
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1 source · 18 Sep 2026
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AI & MLopenaisecurity-breachsso-exploitanthropic-claudeai-vulnerability