ETK-2026-191Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-191",
  "cve_id": null,
  "display_id": "ETK-2026-191",
  "ghsa_id": "GHSA-46jj-qw3p-48fc",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Unhandled email delivery errors cause denial of service in Parse Server",
  "summary": "Parse Server deployments using an email adapter for account verification or password recovery are affected. A client with public application keys can trigger an email-related request, and a mail delivery failure may stop the server process.",
  "mitigation": "Upgrade the npm parse-server package to 9.10.2-alpha.6 or 8.6.97, as appropriate for your release line. Until upgrading, wrap email-sending handlers to catch and log failures, including configured verification-email handling.",
  "vendor": "npm",
  "product": "parse-server",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 9.0.0, < 9.10.2-alpha.6"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "9.10.2-alpha.6"
      ],
      "package_name": "parse-server",
      "purl": "pkg:npm/parse-server"
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 8.6.97"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "8.6.97"
      ],
      "package_name": "parse-server",
      "purl": "pkg:npm/parse-server"
    }
  ],
  "cwes": [
    248
  ],
  "cvss_score": 8.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 16.431923466666667,
  "t0_at": null,
  "signals": {
    "trigger_signal": {
      "at": "2026-09-30T21:34:10+00:00",
      "days": -20.47441247048611,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T08:57:19.260899+00:00",
      "url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-46jj-qw3p-48fc"
    }
  }
}