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

Summary

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,

Lotu Radar provides attributed news summaries and links to the original publisher. Full reporting and copyright remain with the source.