Codex App for Windows times out after submitting a prompt when the enterprise requirements policy contains permissions.filesystem.deny_read.
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Description
What version of the Codex App are you using (From “About Codex” dialog)?
26.820
What subscription do you have?
Enterprise
What platform is your computer?
Windows 11 Windows sandbox requirement: elevated
What issue are you seeing?
Observed:
- Codex App opens normally.
- Model selector works.
- A new chat can be created.
- After submitting a prompt, the turn waits and eventually times out.
- No codex-windows-sandbox-setup process remains.
- No .codex/.sandbox/setup_error.json or sandbox.log is generated.
Control:
Removing only permissions.filesystem.deny_read restores normal operation.
The same behavior occurs with tilde paths and absolute Windows glob paths.
What steps can reproduce the bug?
Minimal requirement:
[permissions.filesystem]
deny_read = [
"C:/Users/*/.ssh/**"
]
start new chat after requirments.toml loaded.
What is the expected behavior?
No response
Additional information
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce with requirements.toml containing permissions.filesystem.deny_read and a Windows 11 sandbox, then submit a prompt in a new chat. Inspect whether codex-windows-sandbox-setup runs and whether .codex/.sandbox/setup_error.json or sandbox.log appears. Done means prompts complete normally while the deny_read rule remains configured.
Written by the indexing model from the issue text.
Assessment
- Domain
- desktop, operating-systems, security
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100