codex - 💡(How to fix) Fix Make external access opt-in by default in Codex CLI [1 participants]

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openai/codex#20444Fetched 2026-05-01 05:43:03
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What variant of Codex are you using?

Codex CLI 0.125.0

What feature would you like to see?

Make external access opt-in by default in Codex CLI.

Additional information

This is a security hardening / safer-defaults request, not a bug report.

Recommended defaults:

  • Network access disabled unless explicitly enabled.
  • No implicit git clone, git fetch, or git pull.
  • No implicit package install commands such as npm install, pnpm install, yarn install, or bun install.
  • GitHub/Gmail and other connectors disabled unless explicitly enabled.
  • External plugin/repo cache fetches should require clear user consent.
  • Safety rules should be centralized and easy to inspect, not dependent on wrapper scripts or cwd-specific behavior.

Rationale:

Supply-chain incidents such as compromised npm packages make automatic dependency fetching risky. Users need a predictable default where Codex cannot reach external repos, package registries, or connectors without explicit approval.

The current configuration can be made safe with settings such as network_access = false, connector/plugin disables, and global instructions, but these are difficult for ordinary users and teams to discover and standardize.

A safer default would reduce accidental exposure for local development environments and CI-like workflows.

extent analysis

TL;DR

To enhance security, consider configuring Codex CLI with explicit opt-in for external access by default.

Guidance

  • Review the current configuration settings, such as network_access, to understand how external access is currently managed.
  • Explore the possibility of setting network_access = false by default to prevent implicit external access.
  • Investigate how to disable implicit git clone, git fetch, git pull, and package install commands to reduce automatic dependency fetching risks.
  • Consider centralizing safety rules and making them easy to inspect to improve predictability and security.

Example

No code snippet is provided as the issue focuses on configuration and default settings rather than specific code changes.

Notes

The provided guidance is based on the information given and aims to move towards a solution by highlighting key areas to review and configure for enhanced security. However, the exact implementation details may vary depending on the specific Codex CLI version and environment.

Recommendation

Apply workaround: Configure Codex CLI with explicit opt-in for external access by default to enhance security and reduce the risk of supply-chain incidents.

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codex - 💡(How to fix) Fix Make external access opt-in by default in Codex CLI [1 participants]