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Package · npm

fastify

17 known vulnerabilities.

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  • High 7.5

    fastify vulnerable to header validation bypass via incomplete schema case normalization

    fastify versions before 5.12.2 implement the case-insensitive nature of HTTP header names by lowercasing names in a route's header schema before compiling it, but the transformation is incomplete: it lowercases the properties keys and the root-level required …

  • High 7.5

    fastify vulnerable to request validation bypass via skipped boolean false schemas

    fastify versions before 5.12.2 decide whether to compile a request schema based on JavaScript truthiness, but JSON Schema Draft 7 defines the boolean false as a valid schema that rejects every instance. When an application assigns false to a route's body, que…

  • High 7.5

    fastify vulnerable to authentication bypass via malformed URLs reaching encapsulated not-found handlers

    fastify versions >= 4.0.0 and before 5.12.2 can route a malformed URL sent under one plugin prefix to the custom not-found handler of a different sibling plugin, and invoke it without the preHandler hook declared for that handler. The internal not-found route…

  • High 8.1

    fastify vulnerable to request body replacement via an async validation result collision

    fastify versions before 5.12.2 treat the object resolved by a successful Ajv async validator as the value result protocol used by custom validator compilers. If a request that passes its route schema contains a property named value at the root, fastify replac…

  • High 7.5

    Fastify's Content-Type header tab character allows body validation bypass

    Fastify is a fast and low overhead web framework, for Node.js. Prior to version 5.7.2, a validation bypass vulnerability exists in Fastify where request body validation schemas specified by Content-Type can be completely circumvented. By appending a tab chara…

  • High 7.5

    Fastify vulnerable to invalid content-type parsing, which could lead to validation bypass

    Fastify is a fast and low overhead web framework, for Node.js. In versions 5.0.0 to 5.3.0 as well as version 4.29.0, applications that specify different validation strategies for different content types have a possibility to bypass validation by providing a _…

  • High 7.5
    CVE-2022-39288 EPSS 59%

    Denial of service in Fastify via Content-Type header

    fastify is a fast and low overhead web framework, for Node.js. Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header. An attacker can send an invalid Content-Type header that can cause the application to …

  • High 7.5

    Denial of Service vulnerability with large JSON payloads in fastify

    Fastify node module before 0.38.0 is vulnerable to a denial-of-service attack by sending a request with "Content-Type: application/json" and a very large payload.