CVE-2026-111924

{
  "etk_id": "ETK-2026-1905",
  "cve_id": "CVE-2026-111924",
  "display_id": "CVE-2026-111924",
  "ghsa_id": "GHSA-3982-g48v-9rwh",
  "euvd_id": "EUVD-2026-103292",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated gzip decompression denial of service in Fleet",
  "summary": "Fleet versions before 4.83.0 are affected by a memory-exhaustion denial of service in gzip request-body handling. An unauthenticated remote attacker can cause the Fleet instance to become unavailable by targeting an endpoint that accepts gzip-compressed request bodies.",
  "mitigation": "Upgrade Fleet to version 4.83.0 or later. Until upgraded, restrict unauthenticated access to Fleet endpoints where feasible, especially from untrusted networks.",
  "vendor": "fleetdm",
  "product": "fleet",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 4.83.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "4.83.0"
      ],
      "package_name": "fleet",
      "purl": null
    }
  ],
  "cwes": [
    409
  ],
  "cvss_score": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0036,
  "epss_percentile": 0.2835,
  "epss_asof": "2026-10-21",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 55.090718566666666,
  "t0_at": "2026-10-17T18:46:37.369000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-17T18:46:37.369000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-17T18:46:37.369000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-111924"
    }
  }
}