ETK-2026-613Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-613",
  "cve_id": null,
  "display_id": "ETK-2026-613",
  "ghsa_id": "GHSA-pvw2-jxwc-95xq",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Authorization bypass in cosmian_kms_server certificate operations",
  "summary": "Versions before 5.28.0 can allow an authenticated user with delegated Certify access to create a reserved identifier and use it to expand object-creation privileges. On MySQL or MariaDB deployments, the certificate operation may also be able to replace an object selected by another user's identifier; this backend-specific outcome was inferred from the SQL path rather than dynamically verified.",
  "mitigation": "Upgrade cosmian_kms_server to 5.28.0 or later. Until upgraded, restrict Certify and replacement-capable import permissions to trusted administrators, especially on MySQL or MariaDB deployments.",
  "vendor": "other",
  "product": "other:cosmian_kms_server",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 5.27.1"
      ],
      "ecosystem": "other",
      "fixed_versions": [
        "5.28.0"
      ],
      "package_name": "cosmian_kms_server",
      "purl": null
    }
  ],
  "cwes": [
    863
  ],
  "cvss_score": 7,
  "cvss_src": "ethiack_provisional",
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 14.059656533333333,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-10-05T02:12:58.434772+00:00",
      "days": -16.558273836111113,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T15:36:53.317222+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-01T15:34:22+00:00",
      "days": -20.00175109041667,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T15:36:53.317222+00:00",
      "url": "https://github.com/Cosmian/kms/security/advisories/GHSA-pvw2-jxwc-95xq"
    }
  }
}