CVE-2026-76268

{
  "etk_id": "ETK-2026-909",
  "cve_id": "CVE-2026-76268",
  "display_id": "CVE-2026-76268",
  "ghsa_id": "GHSA-rxjh-rj2v-47gx",
  "euvd_id": "EUVD-2026-94620",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Missing authentication in Splunk Enterprise Patroni REST API",
  "summary": "Splunk Enterprise search head cluster members running affected releases expose a Patroni REST API that lacks authentication for sensitive configuration actions. An unauthenticated network attacker could run operating-system commands when they can reach that interface. Splunk Enterprise 10.0.x and 9.4.x are not affected.",
  "mitigation": "Upgrade Splunk Enterprise to 10.4.3 or 10.2.7, as applicable. Restrict network access to the Patroni REST API on search head cluster members until the upgrade is complete.",
  "vendor": "Splunk",
  "product": "Splunk Enterprise",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.4, < 10.4.3",
        ">= 10.2, < 10.2.7"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.4.3",
        "10.2.7"
      ],
      "package_name": "Splunk Enterprise",
      "purl": null
    }
  ],
  "cwes": [
    306
  ],
  "cvss_score": 9.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": 0.0159,
  "epss_percentile": 0.7529,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 90.57531823333333,
  "t0_at": "2026-10-07T20:46:31.281000+00:00",
  "signals": {
    "public_poc": {
      "at": "2026-10-13T15:50:25+00:00",
      "days": 5.794371747685185,
      "is_lower_bound": false,
      "measured_at": "2026-10-07T20:46:31.281000+00:00",
      "url": "https://github.com/murrez/CVE-2026-76268"
    },
    "trigger_signal": {
      "at": "2026-10-07T20:46:31.281000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-07T20:46:31.281000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-76268"
    }
  }
}