{"id":"CVE-2025-66415","revision":"9f319ab42e404b19aadec6e4841f8bf6","records":[{"revision":"9f319ab42e404b19aadec6e4841f8bf6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-66415","aliases":[],"title":"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.","state":0,"publishedAt":"2025-12-01T22:39:32.468+00:00","modifiedAt":"2025-12-02T14:13:45.644+00:00","affected":[{"ecosystem":"Vendor product","name":"fastify-reply-from","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"fastify\",\n                    \"product\": \"fastify-reply-from\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 12.5.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"}],"references":["https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-2q7r-29rg-6m5h","https://github.com/fastify/fastify-reply-from/commit/4d9795cd5b57a36756d37b7f036eae369f69fa66"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-66415","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-66415","identifiers":["CVE-2025-66415"]},"retained":false,"historicalAffected":[]}],"coverage":[]}