3 Guys Hacked OpenAI Using a Rival Anthropic Model. Here's What It Shows About Frontier Labs' Vulnerabilities.

September 22, 2026 / 2:53 PM EDT / CBS News

3 Guys Hacked OpenAI Using a Rival Anthropic Model. Here's What It Shows About Frontier Labs' Vulnerabilities.

TL;DR

  • Cybersecurity researchers from Hacktron hacked OpenAI's community forum using Anthropic's AI models.
  • Advanced AI models act as 'force multipliers' for hackers, simplifying and accelerating cyberattacks.
  • The researchers gained access to ChatGPT and Codex accounts of some OpenAI users.
  • This access could have allowed them to view user conversations and potentially access connected applications like email and Slack.
  • The hack highlights the swift pace of AI development, where capabilities can change significantly overnight.
  • The researchers emphasized that they were acting as 'good guys' to identify security gaps.
  • Newer AI models could potentially allow such hacks to be completed in less than a day.
  • The Hacktron team has previously targeted other major tech companies like Apple, Google, and Facebook.
  • The exploit involved finding a flaw in a third-party service (Discourse) used by OpenAI, not directly in OpenAI's code.
  • OpenAI has acknowledged the breach, stating they have narrowed permissions and revoked affected tokens.
  • The incident raises concerns about national security implications of powerful AI models and the race to develop them.
  • Experts suggest AI labs may be prioritizing speed over robust security measures.