VULNERABILITY INTELLIGENCE

CVE-2025-66415

CVSS score5.4 MEDIUM
EPSS probability0.19%
CISA KEVNot currently listed
Published2025-12-01
Last modified2026-10-18
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-441

Primary references