CVE-2026-105608

{
  "etk_id": "ETK-2026-2678",
  "cve_id": "CVE-2026-105608",
  "display_id": "CVE-2026-105608",
  "ghsa_id": "GHSA-5jgf-46qp-g9jf",
  "euvd_id": "EUVD-2026-110053",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authorization bypass in Consul service-mesh proxy registration",
  "summary": "Consul and Consul Enterprise have an access-control flaw in service-mesh proxy registration. An authenticated identity with service-write permission may alter Envoy escape-hatch settings without also having mesh-write permission.",
  "mitigation": "Upgrade Consul and Consul Enterprise to version 2.1.0. For Consul Enterprise deployments on the 1.21 release line, upgrade to 1.21.19.",
  "vendor": "HashiCorp",
  "product": "Consul",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.0.4, < 2.1.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.1.0"
      ],
      "package_name": "Consul",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.0.4, < 2.1.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.1.0"
      ],
      "package_name": "Consul Enterprise",
      "purl": null
    }
  ],
  "cwes": [
    178
  ],
  "cvss_score": 8.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/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": 12.60364575,
  "t0_at": "2026-10-26T17:52:33.021000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-26T17:52:33.021000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-26T17:52:33.021000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-105608"
    }
  }
}