fastify-reply-from is a Fastify plugin to forward the current HTTP request to another server. Prior to 12.5.0, by crafting a malicious URL, an attacker could access routes that are not allowed, even though the reply.from is defined for specific routes in @fastify/reply-from. This vulnerability is fixed in 12.5.0.
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History

Mon, 01 Dec 2025 22:45:00 +0000

Type Values Removed Values Added
Description fastify-reply-from is a Fastify plugin to forward the current HTTP request to another server. Prior to 12.5.0, by crafting a malicious URL, an attacker could access routes that are not allowed, even though the reply.from is defined for specific routes in @fastify/reply-from. This vulnerability is fixed in 12.5.0.
Title fastify-reply-from bypass of reply forwarding
Weaknesses CWE-441
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-12-01T22:39:32.468Z

Reserved: 2025-11-28T23:33:56.366Z

Link: CVE-2025-66415

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-01T23:15:54.053

Modified: 2025-12-01T23:15:54.053

Link: CVE-2025-66415

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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