I have reproduced the issue on the latest CLI version.
Yes, I am on the latest version
I have searched existing posts and this report is not a duplicate.
Yes, this isn’t a duplicate
In which of these areas are you experiencing a problem?
Theme
Expected behavior
I should be able to use the Shopify CLI normally and show the theme without error
Actual behavior
When I try to use the Shopify CLI and use the preview an error message appear “Failed to render storefront with status 502 (Bad Gateway).”
Reproduction steps
Just access the theme using Shopify CLI
Verbose output
2025-11-13T02:57:35.628Z: Analytics event sent: {
"command": "theme language-server",
"time_start": 1763002654792,
"time_end": 1763002654815,
"total_time": 23,
"success": true,
"cli_version": "3.87.1",
"ruby_version": "",
"node_version": "24.11.0",
"is_employee": false,
"uname": "windows amd64",
"env_ci": false,
"env_plugin_installed_any_custom": false,
"env_plugin_installed_shopify": "[\"@shopify/cli\"]",
"env_shell": "powershell",
"env_device_id": "089f5b5eb5158b68036e66c7e25a1ac46d875fec",
"env_cloud": "localhost",
"env_package_manager": "npm",
"env_is_global": true,
"env_auth_method": "device_auth",
"env_is_wsl": false,
"env_build_repository": "Shopify/cli",
"cmd_app_warning_api_key_deprecation_displayed": false,
"cmd_all_timing_network_ms": 0,
"cmd_all_timing_prompts_ms": 1740,
"cmd_all_launcher": "unknown",
"cmd_all_topic": "theme",
"cmd_all_plugin": "@shopify/theme",
"cmd_all_path_override": false,
"cmd_all_timing_active_ms": -1718,
"cmd_all_exit": "ok",
"user_id": "51e00d8a-4cf4-42f7-912f-51d037c51c3d",
"request_ids": [],
"args": "",
"env_plugin_installed_all": "[\"@shopify/cli\"]",
"env_shopify_variables": "{}",
"metadata": "{\"extraPublic\":{},\"extraSensitive\":{}}"
}
Operating system
Windows 11
CLI version
3.87.1
Shell
Git Bash
Nodejs version
v24.11.0