CVE-2026-118659

{
  "etk_id": "ETK-2026-2904",
  "cve_id": "CVE-2026-118659",
  "display_id": "CVE-2026-118659",
  "ghsa_id": "GHSA-pmf4-3xr3-xjhg",
  "euvd_id": "EUVD-2026-112466",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Server-side request forgery in happy-dom server-renderer",
  "summary": "Happy DOM server-renderer versions before 21.0.2 are affected by a server-side request forgery issue in ServerRendererServer. An unauthenticated attacker able to send HTTP/2 requests can cause the server to request reachable external, local, or internal HTTP(S) services and receive relayed responses.",
  "mitigation": "Upgrade happy-dom to version 21.0.2 or later. Until upgrades are complete, restrict unauthenticated HTTP/2 access to the server-renderer and limit its network access to trusted destinations.",
  "vendor": "capricorn86",
  "product": "happy-dom",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<=21.0.1"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "=>21.0.2"
      ],
      "package_name": "@happy-dom/server-renderer",
      "purl": "pkg:npm/@happy-dom/server-renderer"
    }
  ],
  "cwes": [
    918
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 50.234151266666665,
  "t0_at": "2026-10-28T20:20:29.561000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-28T20:20:29.561000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-28T20:20:29.561000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-118659"
    }
  }
}