CVE-2026-33805Published

@fastify/reply-from vulnerable to connection header abuse enabling stripping of proxy-added headers

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-33805

Published

@fastify/reply-from

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "@fastify/reply-from",
                    "product": "@fastify/reply-from",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "versionType": "semver",
                            "status": "affected",
                            "version": "0",
                            "lessThan": "12.6.2"
                        },
                        {
                            "versionType": "semver",
                            "status": "unaffected",
                            "version": "12.6.2"
                        }
                    ],
                    "packageURL": "pkg:npm/@fastify/reply-from"
                }

@fastify/http-proxy

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "@fastify/reply-from",
                    "product": "@fastify/http-proxy",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "versionType": "semver",
                            "status": "affected",
                            "version": "0",
                            "lessThan": "11.4.4"
                        },
                        {
                            "versionType": "semver",
                            "status": "unaffected",
                            "version": "11.4.4"
                        }
                    ],
                    "packageURL": "pkg:npm/@fastify/http-proxy"
                }

Original source record · Cite this exact observation · Complete original publisher JSON