Back to listCategory auth Workaround partial Stage build Freshness persistent Scope cross_platform Upstream open Recurring Yes Buyer Type team Maintainer slow
Blurred distinction between OAuth authentication and authorization
6/10 MediumOAuth 2.0 is fundamentally for authorization (permissions), not authentication (identity), but developers frequently misuse it for authentication. This conceptual confusion leads to security vulnerabilities and architectural mistakes that compound during production rollouts.
Sources
- https://www.securing.pl/pl/what-is-going-on-with-oauth-2-0-and-why-you-should-not-use-it-for-authentication/
- https://www.shadecoder.com/ja/topics/oauth-2-0-a-comprehensive-guide-for-2025
- https://treblle.com/blog/oauth-2.0-for-apis
- https://www.securing.pl/en/what-is-going-on-with-oauth-2-0-and-why-you-should-not-use-it-for-authentication/
- https://www.apisec.ai/blog/oauth-2-0-common-security-flaws
- https://www.shadecoder.com/hi/topics/oauth-2-0-a-comprehensive-guide-for-2025
Collection History
Query: “What are the most common pain points with OAuth 2.0 for developers in 2025?”3/31/2026
OAuth 2.0 is about authorization, not authentication, and many issues begin when this distinction is blurred.
Created: 3/31/2026Updated: 3/31/2026