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  3. Claude Opus 5 Helped Researchers Take Over OpenAI Staff Accounts via Chained Flaws

The Hacker News

Claude Opus 5 Helped Researchers Take Over OpenAI Staff Accounts via Chained Flaws

Three researchers at the security firm Hacktron used Anthropic's Claude Opus 5 to chain two flaws and take over the ChatGPT and Codex accounts of several OpenAI employees, then reach an internal OpenAI code repository. The chain began with a bug in the software that runs OpenAI's public help forum and moved through a weakness in OpenAI's own login system. This was security research,

Continue with the complete report on the publisher’s website.

Read full article at The Hacker News
T

By The Hacker News

19 September 2026|1 min read
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Cybersecurity, Cryptography & Digital Trust
Claude Opus 5 Helped Researchers Take Over OpenAI Staff Accounts via Chained Flaws
Claude Opus 5 Helped Researchers Take Over OpenAI Staff Accounts via Chained Flaws
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