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Product · fastify

fastify-express

3 known vulnerabilities.

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  • High 8.4
    CVE-2026-22037

    @fastify/express vulnerable to Improper Handling of URL Encoding (Hex Encoding)

    The @fastify/express plugin adds full Express compatibility to Fastify. A security vulnerability exists in @fastify/express prior to version 4.0.3 where middleware registered with a specific path prefix can be bypassed using URL-encoded characters (e.g., `/%6…

    fastify fastify-express @fastify/express npm