---
type: post-synth-check
title: WAW051
description: Cognito UserPoolClient allows the deprecated implicit OAuth grant
id: WAW051
severity: error
category: post-synth
lexicon: aws
docs: https://intentius.io/chant/lexicons/aws/rules/
---
Cognito UserPoolClient allows the deprecated implicit OAuth grant

## Applies to

- [Grant](/types/Grant.md)
- [Type](/types/Type.md)
- [UserPool](/types/UserPool.md)
- [UserPoolClient](/types/UserPoolClient.md)