ETK-2026-765Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-765",
  "cve_id": null,
  "display_id": "ETK-2026-765",
  "ghsa_id": null,
  "euvd_id": null,
  "status": "retired",
  "anchor_state": "awaiting_cve",
  "title": "Prototype access bypass enabling code execution in Handlebars",
  "summary": "Handlebars can incorrectly permit access to the Function constructor through a prototype property lookup. An attacker who can supply a template may execute server-side JavaScript when rendering enables allowProtoMethodsByDefault.",
  "mitigation": "Do not enable allowProtoMethodsByDefault when rendering templates or data that an attacker can influence. Restrict template authorship to trusted sources until an upstream fixed release is available.",
  "vendor": "npm",
  "product": "npm:handlebars",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 4.0.0, <= 4.7.9"
      ],
      "ecosystem": "npm",
      "fixed_versions": [],
      "package_name": "handlebars",
      "purl": "pkg:npm/handlebars"
    }
  ],
  "cwes": [
    184
  ],
  "cvss_score": 9.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/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": null,
  "t0_at": null,
  "signals": {}
}