CVE-2023-51701

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

Published Jan 8, 2024 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2024-0427 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.
Github GHSA Github GHSA GHSA-v2v2-hph8-q5xp @fastify/reply-from JSON Content-Type parsing confusion
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 3, 2025, 2:37 PM
Reserved
Dec 21, 2023, 9:32 PM
Status
Modified
Published
Jan 8, 2024, 2:15 PM
Modified
Jun 17, 2026, 6:41 AM