fastify-reply-from affected by bypass of reply forwarding

Description

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.

Recommendation

Update the @fastify/reply-from package to the latest compatible version. Followings are version details:

• Affected version(s): <= 12.4.0
• Patched version(s): 12.5.0

References

• GHSA-2q7r-29rg-6m5h
• CVE-2025-66415
• CWE-441
• CAPEC-310
• OWASP 2021-A1
• OWASP 2021-A6

Related Issues

• @fastify/reply-from JSON Content-Type parsing confusion - CVE-2023-51701
• FUXA has JWT Authentication Bypass via HTTP Referer header spoofing - CVE-2025-69985
• jsPDF Bypass Regular Expression Denial of Service (ReDoS) - CVE-2025-29907
• Vite has an `server.fs.deny` bypass with an invalid `request-target` - CVE-2025-32395

Tags:

npm

@fastify/reply-from