CVE-2026-95860

{
  "etk_id": "ETK-2026-3406",
  "cve_id": "CVE-2026-95860",
  "display_id": "CVE-2026-95860",
  "ghsa_id": "GHSA-xggf-m53x-jc3f",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "anchored",
  "title": "Namespace permission bypass in node-opcua",
  "summary": "node-opcua 2.42.0 through versions before 2.180.0 may not enforce configured namespace-default role permissions for nodes without explicit per-node permissions. An unauthenticated network client could write eligible variables or invoke bound methods when a server relies on restrictive namespace defaults being inherited.",
  "mitigation": "Upgrade node-opcua to version 2.180.0. Until upgraded, assign explicit per-node permissions for sensitive nodes and restrict unauthenticated network access.",
  "vendor": "node-opcua",
  "product": "node-opcua",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.42.0"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "2.180.0"
      ],
      "package_name": "node-opcua",
      "purl": "pkg:npm/node-opcua"
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.42.0"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "2.180.0"
      ],
      "package_name": "node-opcua-address-space",
      "purl": "pkg:npm/node-opcua-address-space"
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.42.0"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "2.180.0"
      ],
      "package_name": "node-opcua-server",
      "purl": "pkg:npm/node-opcua-server"
    }
  ],
  "cwes": [
    285
  ],
  "cvss_score": 9.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 31.214615633333334,
  "t0_at": "2026-11-03T20:11:38.816000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-03T20:11:38.816000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-03T20:11:38.816000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-95860"
    }
  }
}