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What are the security implications of using implicit grant flows versus authorization code flows with PKCE in modern OAuth2 configurations for mobile and web apps?

ChatGPTgpt-61 query11/1/2026
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What are the security implications of using implicit grant flows versus authorization code flows with PKCE in modern OAuth2 configurations for mobile and web apps?
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RFC 9700 OAuth 2.0 Security Best Current Practice implicit grant PKCE RFC 7636 RFC 8252 native appsGoogle ↗
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RFC 9700 OAuth 2.0 Security Best Current Practice implicit grant PKCE RFC 7636 RFC 8252 native apps Google ↗

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RFC 9700 OAuth 2.0 Security Best Current Practice implicit grant PKCE RFC 7636 RFC 8252 native apps
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