Back to list

Using wrong OAuth 2.0 grant types for the scenario

8/10 High

Developers select inappropriate grant types (e.g., Client Credentials for user authentication, Implicit or Password grant) without considering whether the client can securely store secrets, leading to security vulnerabilities and blurred trust boundaries.

OAuth 2.0
Category
auth
Workaround
solid
Stage
build
Freshness
persistent
Scope
framework
Recurring
Yes
Buyer Type
team

Sources

Collection History

Query: “What are the most common pain points with OAuth 2.0 for developers in 2025?”3/31/2026

A common example is using the Client Credentials grant (`client_credentials`) for user authentication. Because this flow has no end user, it is only appropriate for machine-to-machine communication. Applying it to a login flow blurs the line between a user and an application.

Created: 3/31/2026Updated: 3/31/2026