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CVE-2026-33805 @fastify/reply-from vulnerable to connection header abuse enabling stripping of proxy-added headers

🗓️ 15 Apr 2026 10:13:25Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

Connection header abuse lets fastify reply-from and http-proxy strip proxy headers; upgrade.

Related
Affected
Refs
[
  {
    "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"
  },
  {
    "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"
  }
]

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