OpenAI's single SSO spans forum to GitHub and Slack: crack one service, get everything
ccerrato147 · x · 2026-09-18
The researcher identified the architectural root cause: the same identity powers ChatGPT, Codex, GitHub orgs, Slack, email, and the public Discourse forum, with no separation between a low-trust community surface and the keys to the kingdom. Compromising any service using OpenAI SSO gives an attacker everything — explaining how a forum-side flaw led all the way into the internal monorepo.
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