ChatGPT Business: using two workspace seats sequentially on one machine revokes the OAuth session mid-session (token_revoked / "Your session has ended")

What version of Codex CLI is running?

0.142.5

What subscription do you have?

ChatGPT Business

Which model were you using?

gpt-5.5

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What terminal emulator and version are you using (if applicable)?

Windows Terminal (PowerShell)

Codex doctor report

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}

What issue are you seeing?

On a ChatGPT Business workspace with two seats, using the seats sequentially on one machine causes the previously used seat's OAuth (Sign in with ChatGPT) session to be revoked — often during an active session. Codex's automatic token refresh then fails permanently and the only recovery is a full re-login.

Client logs show the token was valid and in active use (successful requests seconds earlier), then revoked server-side:

POST https://chatgpt.com/backend-api/... -> 401
x-openai-ide-root-error-code: token_revoked
"Encountered invalidated oauth token for user, failing request"

POST https://auth.openai.com/oauth/token -> 401
"Your session has ended. Please log in again."
auth_recovery_outcome = "recovery_failed_permanent"

Both seats belong to the same workspace/org (same chatgpt_account_id); Codex reloads auth keyed by that shared account id. Only one seat is ever active at a time.

What steps can reproduce the bug?

There is no native multi-account support in Codex CLI (#4432). To keep two seats usable on one machine, each seat's ~/.codex/auth.json is saved after login and restored when switching back — i.e. switching accounts by swapping the stored auth file, without re-running codex login (this is what CODEX_HOME / auth.json swapping and account-switcher tools do).

1. codex login as seat A, then save a copy of ~/.codex/auth.json. Use Codex (works).
2. codex login as seat B. Use Codex (works).
3. Restore seat A's saved ~/.codex/auth.json (no re-login).
4. Use Codex as seat A → the session is revoked ("refresh token was revoked" / "Your session has ended"), sometimes mid-session; the automatic refresh fails permanently because seat A's stored refresh token was invalidated when seat B signed in.

Note: re-running codex login for seat A (instead of restoring its saved token) mints a fresh token and masks the issue — the failure specifically comes from reusing seat A's stored session after seat B signed in.

Both seats are members of the same ChatGPT Business workspace, used one at a time on a single Windows machine.

What is the expected behavior?

Sequentially using two seats of the same Business workspace from one machine should work. Signing into seat B should not permanently invalidate seat A's refresh token. One active session at a time on a single device is a normal paid usage pattern.

Additional information

For paying Business customers with multiple seats, Codex is effectively unusable on a shared/single machine even sequentially: every switch back to a previously used seat forces a full re-login and drops the active session. There is no supported multi-account/profile mechanism to work around this.

Likely related:

• #4432 (first-class multi-account auth — requested, not implemented)
• #25443 ("refresh token was revoked" during active session)
• #9634 ("refresh token was already used")