CVE-2026-111923

{
  "etk_id": "ETK-2026-1906",
  "cve_id": "CVE-2026-111923",
  "display_id": "CVE-2026-111923",
  "ghsa_id": "GHSA-jc4v-4w5q-xhc2",
  "euvd_id": "EUVD-2026-103291",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unbounded recursion in Fleet Apple MDM enrollment parsing",
  "summary": "Fleet versions before 4.89.0 are affected by unbounded recursion when parsing Apple MDM enrollment property lists. An unauthenticated attacker able to reach enrollment endpoints can cause a server denial of service through CPU or memory exhaustion.",
  "mitigation": "Upgrade the Fleet package to version 4.89.0 or later. Until upgraded, restrict access to Apple MDM enrollment endpoints to trusted networks or clients.",
  "vendor": "fleetdm",
  "product": "fleet",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 4.89.0"
      ],
      "ecosystem": "go",
      "fixed_versions": [
        ">= 4.89.0"
      ],
      "package_name": "github.com/fleetdm/fleet",
      "purl": "pkg:golang/github.com/fleetdm/fleet"
    }
  ],
  "cwes": [
    674
  ],
  "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": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 65.76117246666666,
  "t0_at": "2026-10-17T18:46:36.681000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-17T21:10:59.034448+00:00",
      "days": 0.10025872046296297,
      "is_lower_bound": false,
      "measured_at": "2026-10-17T18:46:36.681000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-17T18:46:36.681000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-17T18:46:36.681000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-111923"
    }
  }
}