CVE-2026-105626

{
  "etk_id": "ETK-2026-2682",
  "cve_id": "CVE-2026-105626",
  "display_id": "CVE-2026-105626",
  "ghsa_id": "GHSA-924q-7grr-82mf",
  "euvd_id": "EUVD-2026-110056",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated HTTP API memory exhaustion in Consul",
  "summary": "HashiCorp Consul Community and Enterprise editions contain an HTTP API flaw that can let an unauthenticated remote party consume memory on a Consul agent. Successful abuse can make the affected agent unavailable; access to its HTTP API is the stated precondition.",
  "mitigation": "Upgrade Consul Community Edition to 2.1.0 or later. Upgrade Consul Enterprise to 2.1.0 or later, or to 1.21.19 or later on the 1.21 release line.",
  "vendor": "HashiCorp",
  "product": "Consul",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0.6.0, < 2.1.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.1.0"
      ],
      "package_name": "Consul",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0.6.0, < 2.1.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.1.0"
      ],
      "package_name": "Consul Enterprise",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 11.917135366666667,
  "t0_at": "2026-10-26T18:02:25.376000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-26T19:39:15.930334+00:00",
      "days": 0.06725178627314815,
      "is_lower_bound": false,
      "measured_at": "2026-10-26T18:02:25.376000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-26T18:02:25.376000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-26T18:02:25.376000+00:00",
      "url": "https://github.com/advisories/GHSA-924q-7grr-82mf"
    }
  }
}