CYBER● ELEVATEDSep 19 · Sep 19, 2026, 10:01 AM
Claude Opus 5 Helped Researchers Take Over OpenAI Staff Accounts via Chained Flaws
The Hacker News · global
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,
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