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importantSYS.SOURCE: The Hacker News• 2026-10-31T11:03:41+05:30

Security Vulnerability in ChatGPT Allows Session Hijacking via Malicious Links

A security vulnerability in ChatGPT allows malicious actors to execute code in users' sessions through shared links, compromising private conversations. OpenAI addressed the issue within eight days after being reported through their bug bounty program.

A malicious ChatGPT share link could run an attacker's code in the logged-in session of anyone who opened it, allowing them to read their private conversations, researchers at the security firm Parameter showed.

The researchers reported the flaw through OpenAI's bug bounty program on October 18, and OpenAI fixed it eight days later and rated it P1, its most serious category.

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