openai / openai/codex

Codex Chrome browser connection crashes during initialization

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app browser bug
Dominant language
Rust
Stars
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Forks
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PR merge metrics
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Description

What version of Codex CLI is running?

codex-cli 0.153.0

What subscription do you have?

ChatGPT Pro

Which model were you using?

No response

What platform is your computer?

macOS 26.6.2 arm64

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

No response

Codex doctor report
not available
What issue are you seeing?

The Codex Chrome browser connection cannot be initialized.

Error:

trusted Node process exited unexpectedly; kernel reset, rerun your request

Environment:

  • macOS 26.6.2 arm64
  • ChatGPT / Codex Desktop 26.901.20858
  • Codex CLI 0.153.0

Details:

  • approval_policy = "untrusted" has already been removed from the config.
  • Chrome Native Messaging and the Chrome extension are both working normally.
  • The minimal trusted Node execution itself — before Chrome is selected and before the browser service is loaded — terminates immediately with the error above, twice in a row.
  • The failure still reproduces after reinstalling both the desktop app and the Chrome extension.

The failure happens before any local application, Docker container, localhost page, or browser tab is accessed. This appears to be a Codex / ChatGPT desktop browser-integration service crash, or a version compatibility issue.

No credentials, secrets, or production data were involved.

What steps can reproduce the bug?

Uploaded thread: 01a064e1-a9d2-7ad0-bb3e-eafaadb5ef3a

What is the expected behavior?

The Chrome browser connection should initialize successfully, so that a browser task can select Chrome and open a page.

Additional information

The chat ID could not be obtained: the linked service crashes during conversation-metadata checks as well (not only in the browser flow), so the ID cannot be provided. The uploaded thread ID above is included instead.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with uploaded thread 01a064e1-a9d2-7ad0-bb3e-eafaadb5ef3a and reproduce on macOS 26.6.2 arm64 with Codex CLI 0.153.0. Investigate the trusted Node process termination before Chrome is selected or the browser service loads; done means the Chrome connection initializes and can open a page without the kernel reset.

Written by the indexing model from the issue text.

Assessment

Tech stack
macos, rust
Domain
cli, desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
45/100

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