ETK-2026-2013Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-2013",
  "cve_id": null,
  "display_id": "ETK-2026-2013",
  "ghsa_id": "GHSA-vhp6-px6f-jv94",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Canonicalization bypass in midnight-ledger transaction processing",
  "summary": "midnight-ledger transaction handling can interpret aliased serialized map entries inconsistently between validation and application. An attacker may mint unshielded tokens other than NIGHT without spending a corresponding input, provided a target non-NIGHT unshielded token type exists; normal builds are affected without special runtime configuration.",
  "mitigation": "Upgrade the affected midnight-ledger package to version 8.1.2. Until upgraded, restrict exposure to untrusted transaction submission where operationally possible.",
  "vendor": null,
  "product": "midnight-ledger",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<8.1.2"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "8.1.2"
      ],
      "package_name": null,
      "purl": null
    }
  ],
  "cwes": [
    180
  ],
  "cvss_score": 7,
  "cvss_src": "ethiack_provisional",
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 24.6991236,
  "t0_at": null,
  "signals": {
    "trigger_signal": {
      "at": "2026-10-15T00:41:25+00:00",
      "days": -6.173174134050926,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T04:50:47.273433+00:00",
      "url": "https://github.com/midnightntwrk/midnight-ledger/security/advisories/GHSA-vhp6-px6f-jv94"
    }
  }
}