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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2025-66415

fastify-reply-from bypass of reply forwarding

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

fastify fastify-reply-from

  • < 12.5.0affected

References