medium.com/tag/bugbounty-writeup· Oct 25, 2026· by Ahemd ashraf

Open Redirect in Employer OAuth Flow via Backslash Validation Bypass

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A client-side URL validation weakness that allows navigation away from a trusted Employer origin. Continue reading on Medium »
🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass
💡 Defense Fix: Strictly verify JWT signatures on the backend, enforce state parameter validation, and reject 'alg: none'.
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