CVE-2026-104845

{
  "etk_id": "ETK-2026-396",
  "cve_id": "CVE-2026-104845",
  "display_id": "CVE-2026-104845",
  "ghsa_id": "GHSA-jp82-f5mq-hwhp",
  "euvd_id": "EUVD-2026-91744",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unchecked typed-array deserialization resource exhaustion in seroval",
  "summary": "Seroval versions before 1.6.3 can consume excessive memory or CPU when deserializing crafted typed-array data. An attacker must be able to supply untrusted JSON to the affected Seroval deserialization paths, which can block the event loop and degrade availability.",
  "mitigation": "Upgrade seroval to version 1.6.3 or later. Until upgraded, avoid passing untrusted JSON to Seroval deserialization functions.",
  "vendor": "lxsmnsyc",
  "product": "seroval",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.6.2"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "1.6.3"
      ],
      "package_name": "seroval",
      "purl": "pkg:npm/seroval"
    }
  ],
  "cwes": [
    770
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss_score": 0.0043,
  "epss_percentile": 0.3608,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "mechanism_verified",
  "exploit": false,
  "pipeline_minutes": 12.434300666666667,
  "t0_at": "2026-10-02T15:55:21.197000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-03T01:46:57.366464+00:00",
      "days": 0.41083529472222224,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T15:55:21.197000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-02T15:55:21.197000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T15:55:21.197000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-104845"
    }
  }
}