dev.to· Oct 24, 2026· by ookeolioli222

The JWT Validation Algorithm in RFC 7519 Never Checks Expiry. Seven Checks Your Code Has To Add

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"The library validates the JWT" can mean very different things. The specification that defines the...
🎯 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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