codex - 💡(How to fix) Fix [Bug] Authentication Error (invalid_state) during login via CLI and Desktop App [1 participants]

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openai/codex#21280Fetched 2026-05-06 06:23:52
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Error Message

I am unable to authenticate using the Codex Desktop App and CLI. During the authentication flow, the process fails and returns the following error message: An error occurred during authentication (invalid_state). Please try again. 3. Observe the invalid_state error returned during the auth handshake.[ The authentication process should complete successfully and authorize the CLI/Desktop app without throwing an invalid state error.

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What version of the Codex App are you using (From “About Codex” dialog)?

Version 26.429.61741 (2429)

What subscription do you have?

ChatGPT Pro 20x version

What platform is your computer?

Darwin 25.5.0 arm64 arm

What issue are you seeing?

I am unable to authenticate using the Codex Desktop App and CLI. During the authentication flow, the process fails and returns the following error message: An error occurred during authentication (invalid_state). Please try again.

What steps can reproduce the bug?

  1. Open the Codex Desktop App / initialize the Codex CLI.
  2. Trigger the authentication/login process.
  3. Observe the invalid_state error returned during the auth handshake.[
<img width="912" height="790" alt="Image" src="https://github.com/user-attachments/assets/82ac8a89-7c49-479e-94bb-fb8fdc134a1c" />

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What is the expected behavior?

The authentication process should complete successfully and authorize the CLI/Desktop app without throwing an invalid state error.

Additional information

No response

extent analysis

TL;DR

The authentication issue in the Codex App and CLI may be resolved by re-initiating the authentication flow or checking the state parameter in the authentication request.

Guidance

  • Verify that the authentication flow is correctly implemented, paying attention to the state parameter, which might be causing the invalid_state error.
  • Check if there are any specific requirements or restrictions for the ChatGPT Pro 20x version subscription that could be affecting the authentication process.
  • Attempt to re-initiate the authentication process to see if the issue persists, as it might be a transient error.
  • If possible, inspect the authentication request and response to identify any discrepancies in the state parameter or other potential causes of the error.

Notes

The provided information does not include detailed technical specifics about the authentication mechanism or the exact nature of the invalid_state error, limiting the ability to provide a precise fix.

Recommendation

Apply workaround: Given the lack of detailed technical information, attempting to re-initiate the authentication flow or closely examining the state parameter in the authentication request for any inconsistencies or misconfigurations seems like the most straightforward approach to potentially resolve or mitigate the issue.

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codex - 💡(How to fix) Fix [Bug] Authentication Error (invalid_state) during login via CLI and Desktop App [1 participants]