Common OAuth Vulnerabilities and Best Practices

The article covers common vulnerabilities in OAuth2, emphasizing how misconfigurations and insufficient understanding of the protocol's complexities can lead to security flaws. It highlights different OAuth flows, including Implicit, Authorization Code, and Client Credentials Flows, along with attacks like token interception. The piece provides recommendations for secure implementations, including OAuth 2.1's updated practices and a comprehensive checklist for developers and testers.

https://blog.doyensec.com/2025/01/30/oauth-common-vulnerabilities.html

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