CVE-2026-119408

{
  "etk_id": "ETK-2026-3076",
  "cve_id": "CVE-2026-119408",
  "display_id": "CVE-2026-119408",
  "ghsa_id": "GHSA-48fh-2c4x-8wcm",
  "euvd_id": "EUVD-2026-113792",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Improper task isolation in n8n workflow code nodes",
  "summary": "Affected n8n releases allow certain deprecated workflow code nodes to run outside task-runner isolation. An authenticated user who can create, modify, or import workflows may execute JavaScript in the n8n main process.",
  "mitigation": "Upgrade to n8n 2.42.6, 2.43.3, or 3.0.1 or later, as appropriate for the deployed release line. Until upgrades are complete, restrict workflow creation, modification, and import permissions.",
  "vendor": "n8n-io",
  "product": "n8n",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.43.0, < 2.43.3"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.43.3"
      ],
      "package_name": "n8n",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 2.42.6"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.42.6"
      ],
      "package_name": "n8n",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 3.0.0, < 3.0.1"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "3.0.1"
      ],
      "package_name": "n8n",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 8.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 22.75691945,
  "t0_at": "2026-10-30T11:30:45.729000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-30T11:30:45.729000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-30T11:30:45.729000+00:00",
      "url": "https://github.com/advisories/GHSA-48fh-2c4x-8wcm"
    }
  }
}