@fastify/express vulnerabilities

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CVE-IDSeverityPackage summary
CVE-2026-33808Critical@fastify/express: @fastify/express has a middleware authentication bypass via URL normalization gaps (duplicate…CVE-2026-33807Critical@fastify/express: @fastify/express's middleware path doubling causes authentication bypass in child plugin scopesCVE-2026-22037High@fastify/express: @fastify/express vulnerable to Improper Handling of URL Encoding (Hex Encoding)

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