codex - 💡(How to fix) Fix Sandbox fail running commands [1 comments, 2 participants]

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openai/codex#18214Fetched 2026-04-17 08:31:19
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What version of Codex CLI is running?

codex-cli 0.121.0

What subscription do you have?

Pro x20

Which model were you using?

gpt-5.4-xhigh

What platform is your computer?

Linux 6.8.0-110-generic x86_64 x86_64

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

Tabby

What issue are you seeing?

As happened more than a month ago after a Codex CLI version update, I am once again experiencing a large number of failed tool executions inside the sandbox without any clear reason. I would appreciate it if more attention were paid to this aspect in future updates, since this is not the first time this has happened.

You can see the feedback here: 019d9810-95d5-7d52-b6e8-027ecaaa59d1

'Would you like to make the following edits?

Thread: Feynman

Reason: command failed; retry without sandbox?'

What steps can reproduce the bug?

You can see the feedback here: 019d9810-95d5-7d52-b6e8-027ecaaa59d1

try new version on ubuntu

What is the expected behavior?

No response

Additional information

No response

extent analysis

TL;DR

The issue of failed tool executions inside the sandbox may be related to the recent Codex CLI version update, and retrying without sandbox or updating to a potentially fixed version could be a workaround.

Guidance

  • Review the feedback provided in the given ID (019d9810-95d5-7d52-b6e8-027ecaaa59d1) for more detailed information on the error and potential steps to reproduce it.
  • Consider retrying the tool executions without using the sandbox, as suggested in the error message, to see if it resolves the issue temporarily.
  • Since this issue has occurred after a version update before, monitoring future updates and release notes from Codex CLI for fixes related to sandbox executions might be beneficial.
  • Testing the Codex CLI on a different platform or environment, like the suggested try on Ubuntu, could help isolate if the issue is platform-specific.

Notes

The provided information does not specify the exact cause of the failed executions, and without more technical details about the error messages or the environment setup, it's challenging to provide a definitive fix. The suggestions are based on the pattern of the issue occurring after a version update and the error message suggesting a retry without sandbox.

Recommendation

Apply workaround: Given the history of similar issues with version updates, applying the suggested workaround of retrying without sandbox seems like a reasonable step until a more permanent fix is available or confirmed through future updates.

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