CVE-2026-126259

{
  "etk_id": "ETK-2026-4235",
  "cve_id": "CVE-2026-126259",
  "display_id": "CVE-2026-126259",
  "ghsa_id": "GHSA-f2f6-qwmc-g833",
  "euvd_id": "EUVD-2026-123906",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Missing authentication in FortiOS HA synchronization",
  "summary": "Affected FortiOS releases include 8.0.0, 7.6.0–7.6.7, 7.4.0–7.4.12, and 7.2.0–7.2.13. An unauthenticated remote attacker may execute commands with super-administrator privileges when HA FGSP with standalone configuration synchronization, or autoscale, is in use.",
  "mitigation": "Disable HA FGSP standalone configuration synchronization and autoscale where they are not required, and restrict network reachability to HA-related services. The evidence does not provide fixed versions; monitor the vendor advisory for patched releases and upgrade when available.",
  "vendor": "Fortinet",
  "product": "FortiOS",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "8.0.0",
        ">= 7.6.0, <= 7.6.7",
        ">= 7.4.0, <= 7.4.12",
        ">= 7.2.0, <= 7.2.13",
        ">= 7.0.0, <= 7.0.19"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "FortiOS",
      "purl": null
    }
  ],
  "cwes": null,
  "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": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 11.201847133333333,
  "t0_at": "2026-11-11T21:31:53.632000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-11T21:31:53.632000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-11T21:31:53.632000+00:00",
      "url": "https://github.com/advisories/GHSA-f2f6-qwmc-g833"
    }
  }
}