Security/demo/2026-10-26

ChatGPT Shared Link Vulnerability Allowed Session Hijacking and Private Chat Access

A security vulnerability in ChatGPT's shared chat links allowed malicious actors to execute arbitrary code within a user's session, potentially leading to account takeover and access to private conversations. The flaw was discovered and reported by security researcher Simon Willison, who detailed the exploit. OpenAI acknowledged the issue and has since deployed a fix to address the vulnerability.

3 articles from 3 outlets covered this story. The underlying claim is sourced from a demo.

What do all outlets agree on?

3 outlets covered “ChatGPT Shared Link Vulnerability Allowed Session Hijacking and Private Chat Access”. All of them report the following:

  • Vulnerability in ChatGPT shared links
  • Allowed attacker code execution in user sessions
  • Could lead to access of private chats
  • Discovered by security researchers
  • OpenAI fixed the vulnerability

Which outlets covered this?

All 3 articles found on this story, grouped by the stance of the piece. Every link goes to the original publisher.

pragmatist1
How We Took Over ChatGPT AccountsSimon Willison's Weblog · independent

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Which companies does this involve?

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