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nodejs: document opt out of error sanitization #1903

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renejeglinsky merged 1 commit into from
Jun 6, 2025
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nodejs: document opt out of error sanitization #1903

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2 changes: 2 additions & 0 deletions node.js/events.md
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Expand Up @@ -588,3 +588,5 @@ Content-Type: application/json

> [!warning] Error Sanitization
> In production, error responses should never disclose internal information that could be exploited by attackers. To ensure that, all errors with a `5xx` status code are returned to the client with only the respective generic message (example: `500 Internal Server Error`).
>
> In very rare cases, you might want to return 5xx errors with a meaningful message to the client. This can be achieved with `err.$sanitize = false`. Use that option with care!