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oauth-oidc-misconfiguration

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OAuth and OIDC misconfiguration testing playbook. Use when reviewing redirect URI handling, state and nonce validation, PKCE, token audience, callback binding, and identity-provider trust flaws.

skills/oauth-oidc-misconfiguration/SKILL.md

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# SKILL: OAuth and OIDC Misconfiguration — Redirects, PKCE, Scopes, and Token Binding

> **AI LOAD INSTRUCTION**: Use this skill when the target uses OAuth 2.0 or OpenID Connect and you need a focused misconfiguration checklist: redirect URI validation, state and nonce handling, PKCE enforcement, token audience, and account binding mistakes.

## 1. WHEN TO LOAD THIS SKILL

Load when:

- The app supports `Login with Google`, GitHub, Microsoft, Okta, or other IdPs
- You see `authorize`, `callback`, `redirect_uri`, `code`, `state`, `nonce`, or `code_challenge`
- Mobile or SPA clients rely on OAuth or OIDC flows

For token cryptography and JWT header abuse, also load:
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