CVE-2026-119051

{
  "etk_id": "ETK-2026-2976",
  "cve_id": "CVE-2026-119051",
  "display_id": "CVE-2026-119051",
  "ghsa_id": "GHSA-476f-8ccp-82xp",
  "euvd_id": "EUVD-2026-112817",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Resource exhaustion in flat unflatten()",
  "summary": "flat through 6.0.1 can create excessively large sparse arrays when unflatten() processes untrusted flattened data with unbounded numeric path components. An attacker may cause a Node.js application to become unresponsive if they can supply such input to unflatten() and the resulting array is processed.",
  "mitigation": "Do not pass untrusted flattened data directly to unflatten(); reject or bound numeric path components before processing. Until a corrected release is available, enforce input-size and request-processing limits around code paths that use unflatten().",
  "vendor": "hughsk",
  "product": "flat",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 6.0.1"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "flat",
      "purl": null
    }
  ],
  "cwes": [
    770
  ],
  "cvss_score": 8.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 14.122177566666666,
  "t0_at": "2026-10-29T13:08:52.215000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-29T13:08:52.215000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-29T13:08:52.215000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-119051"
    }
  }
}