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

The Hacker News

Overview

Three researchers from Hacktron successfully exploited vulnerabilities in OpenAI's security systems using Anthropic's Claude Opus 5. They first identified a bug in OpenAI's public help forum software, which allowed them to bypass security measures in OpenAI's login system. As a result, they gained access to the ChatGPT and Codex accounts of multiple OpenAI employees and reached an internal code repository. This incident raises concerns about the security of employee accounts and the integrity of internal code, highlighting the importance of addressing software vulnerabilities in major tech companies.

Key Takeaways

  • Affected Systems: OpenAI ChatGPT, OpenAI Codex, OpenAI internal code repository
  • Action Required: Companies should review and patch vulnerabilities in their public-facing software and improve login security measures.
  • Timeline: Newly disclosed

Original Article 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,

Impact

OpenAI ChatGPT, OpenAI Codex, OpenAI internal code repository

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Newly disclosed

Remediation

Companies should review and patch vulnerabilities in their public-facing software and improve login security measures.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Vulnerability.

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