NestJS · Middle · Question 67 of 75

Why might `ValidationPipe` not reject unknown query parameters by default?

1Nest removes all unknown parameters automatically
2Query parameters are never validated
✓Correct answer: Without whitelist and forbidNonWhitelisted, extra properties are allowed and passed through

Explanation

Enable both options globally to make the API strict about its inputs.

Further reading

NestJS: Validation ↗

Test yourself

Take the NestJS · Middle quiz: questions and options are shuffled, and you get a review of your mistakes at the end.