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CVE-2025-66415: Unintended Proxy or Intermediary

🗓️ 01 Dec 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unintended proxy in fastify-reply-from before 12.5.0 allows unauthorized route access.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2025-66415
2 Dec 202502:39
–circl
cnnvd
CNNVD
Fastify 安全漏洞
1 Dec 202500:00
–cnnvd
cve
CVE
CVE-2025-66415
1 Dec 202522:39
–cve
cvelist
Cvelist
CVE-2025-66415 fastify-reply-from bypass of reply forwarding
1 Dec 202522:39
–cvelist
euvd
EUVD
EUVD-2025-200117
2 Dec 202500:38
–euvd
github
Github Security Blog
fastify-reply-from affected by bypass of reply forwarding
2 Dec 202500:38
–github
nvd
NVD
CVE-2025-66415
1 Dec 202523:15
–nvd
osv
OSV
GHSA-2Q7R-29RG-6M5H fastify-reply-from affected by bypass of reply forwarding
2 Dec 202500:38
–osv
ptsecurity
Positive Technologies
PT-2025-48579
1 Dec 202500:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2025-66415
11 Dec 202523:04
–redhatcve
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06 Feb 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.4
CVSS 46.9
EPSS0.00179
SSVC
0