Skip to content
OpenAdvisories
Medium · 5.3 CVE-2023-51701 EUVD-2024-0427GHSA-v2v2-hph8-q5xp

@fastify-reply-from JSON Content-Type parsing confusion

Published Jan 8, 2024 · Updated Jun 3, 2025 · Assigned by GitHub_M

Description

fastify-reply-from is a Fastify plugin to forward the current HTTP request to another server. A reverse proxy server built with `@fastify/reply-from` could misinterpret the incoming body by passing an header `ContentType: application/json ; charset=utf-8`. This can lead to bypass of security checks. This vulnerability has been patched in '@fastify/reply-from` version 9.6.0.

Affected products

VendorProductAffectedFixed
fastify fastify-reply-from < 9.6.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm @fastify/reply-from < 9.6.0 9.6.0 GHSA-v2v2-hph8-q5xp

References