{"type":"post","id":"do-the-math-how-we-took-over-chatgpt-a031c7","slug":"do-the-math-how-we-took-over-chatgpt-a031c7","title":"Do the Math: How We Took Over ChatGPT Accounts","description":"Parameter says it found a way for a malicious public ChatGPT conversation share to execute JavaScript in a recipient’s signed-in ChatGPT session.","retrieval_nugget":"Parameter says it found a way for a malicious public ChatGPT conversation share to execute JavaScript in a recipient’s signed-in ChatGPT session.","published_at":"2026-10-31","updated_at":"2026-10-31","record_date":"2026-10-31","date_kind":"published_at","topics":["agent-security","sandbox"],"entities":["Parameter","OpenAI","ChatGPT","MathLive","YouTube"],"related_patterns":["agent-security-moves-to-runtime-boundaries"],"novelty_label":"new_fact","what_changed":"Parameter reports a newly fixed P1 vulnerability chain that could take over ChatGPT accounts through a shared conversation link.","prior_refs":[],"source_url":"https://www.parameter.ai/labs/we-found-a-gap-at-openai","source_urls":["https://www.parameter.ai/labs/we-found-a-gap-at-openai"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:do-the-math-how-we-took-over-chatgpt-a031c7","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/do-the-math-how-we-took-over-chatgpt-a031c7/","markdown":"https://newruntime.com/posts/do-the-math-how-we-took-over-chatgpt-a031c7.md","json":"https://newruntime.com/posts/do-the-math-how-we-took-over-chatgpt-a031c7.json"},"next_reads":[{"type":"topic","path":"/topics/agent-security/","url":"https://newruntime.com/topics/agent-security/","title":"Agent Security","reason":"Explore the agent-security topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agent-security.md","json_url":"https://newruntime.com/topics/agent-security.json"},{"type":"topic","path":"/topics/sandbox/","url":"https://newruntime.com/topics/sandbox/","title":"Sandbox","reason":"Explore the sandbox topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/sandbox.md","json_url":"https://newruntime.com/topics/sandbox.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}