OAuth and OpenID Connect Security
February 01, 2026
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1 min read
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Table of Contents
OAuth misconfigurations lead to account takeovers.
Common Vulnerabilities
- Open redirect attacks
- CSRF in OAuth flow
- Token leakage
- Insufficient scope validation
- Insecure state parameterBest Practices
- Validate redirect URIs strictly
- Use PKCE for public clients
- Short-lived access tokens
- Secure token storage
- Implement token bindingSecurity Headers
- Use state parameter
- Implement nonce
- Validate ID tokens
- Check token audienceRelated Posts
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