macOS Codex App Suffers Sudden Connection and Auth Failures
Sufficient-Net-3621 · reddit · 2026-08-11
A Mac user reported sudden, severe connection and authentication issues with the OpenAI Codex desktop and CLI tools. The user frequently encounters errors like stream disconnected and Token exchange failed, preventing even basic device authorization logins.
Despite extensive troubleshooting—including changing networks, reinstalling the app, checking proxy settings, and confirming that curl requests to the exact OpenAI auth endpoints successfully return HTTP 200—the Codex app continues to fail. The user suspects this isn't a general network issue, but rather a specific bug introduced in Codex's native HTTP/auth client.
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