Medium severity5.4NVD Advisory· Published Dec 1, 2025· Updated Jun 17, 2026
CVE-2025-66415
CVE-2025-66415
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@fastify/reply-fromnpm | < 12.5.0 | 12.5.0 |
Affected products
3cpe:2.3:a:fastify:reply-from:*:*:*:*:*:node.js:*:*+ 1 more
- cpe:2.3:a:fastify:reply-from:*:*:*:*:*:node.js:*:*range: <=12.4.0
- (no CPE)range: < 12.5.0
Patches
Vulnerability mechanics
References
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