CVE-2026-93318

{
  "etk_id": "ETK-2026-174",
  "cve_id": "CVE-2026-93318",
  "display_id": "CVE-2026-93318",
  "ghsa_id": "GHSA-f2v9-hprr-32q3",
  "euvd_id": "EUVD-2026-92532",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Image layer identity confusion in Docker BuildKit",
  "summary": "Docker BuildKit may associate image-layer cache or snapshot state with attacker-controlled content based on inconsistent layer metadata. If an untrusted image is processed by a BuildKit daemon with shared or persistent cache before a trusted build, attacker-supplied code may execute during the later build and access build resources or alter outputs.",
  "mitigation": "Upgrade docker to >= v0.33.1 or later.",
  "vendor": "docker",
  "product": "Docker BuildKit",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= v0.33.0"
      ],
      "ecosystem": "docker",
      "fixed_versions": [
        ">= v0.33.1"
      ],
      "package_name": null,
      "purl": null
    }
  ],
  "cwes": [
    354
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N",
  "epss_score": 0.0017,
  "epss_percentile": 0.056,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 22.287309283333332,
  "t0_at": "2026-10-05T17:45:39.491000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-09-30T18:53:39+00:00",
      "days": -4.952783460648148,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T17:45:39.491000+00:00",
      "url": "https://github.com/moby/buildkit/security/advisories/GHSA-f2v9-hprr-32q3"
    }
  }
}