CVE-2026-116366

{
  "etk_id": "ETK-2026-3068",
  "cve_id": "CVE-2026-116366",
  "display_id": "CVE-2026-116366",
  "ghsa_id": "GHSA-qhgw-ghp3-xh36",
  "euvd_id": "EUVD-2026-113778",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated code execution in ClickHouse Server",
  "summary": "ClickHouse Server is affected by an unauthenticated code-execution flaw. An attacker able to reach the server over the network may be able to run code on the host when the unspecified triggering conditions are present.",
  "mitigation": "Upgrade ClickHouse to 26.3.62.3-lts, 26.8.36.3-lts, 26.9.27.3-stable, or 26.10.3.7-stable, as appropriate for your release track. Restrict network access to ClickHouse Server until upgrades are complete.",
  "vendor": "ClickHouse",
  "product": "ClickHouse",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 26.3, < 26.3.62.3-lts",
        ">= 26.8, < 26.8.36.3-lts",
        ">= 26.9, < 26.9.27.3-stable",
        ">= 26.10, < 26.10.3.7-stable"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "26.3.62.3-lts",
        "26.8.36.3-lts",
        "26.9.27.3-stable",
        "26.10.3.7-stable"
      ],
      "package_name": "ClickHouse",
      "purl": null
    }
  ],
  "cwes": [
    190
  ],
  "cvss_score": 9.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 28.275869283333332,
  "t0_at": "2026-10-30T11:00:11.115000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-30T11:00:11.115000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-30T11:00:11.115000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-116366"
    }
  }
}