ETK-2026-3616Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-3616",
  "cve_id": null,
  "display_id": "ETK-2026-3616",
  "ghsa_id": "GHSA-g5g7-gfr5-f89m",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "WebSocket input validation denial of service in HedgeDoc",
  "summary": "HedgeDoc through 1.12.0 can be made unavailable when a client with edit access submits malformed editor-selection data through the WebSocket interface. Anonymous attackers may meet that condition where a note permits anonymous editing.",
  "mitigation": "Upgrade HedgeDoc to version 1.12.1 or later. Until upgraded, disable anonymous editing to reduce exposure.",
  "vendor": null,
  "product": "hedgedoc",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.12.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "1.12.1"
      ],
      "package_name": "hedgedoc",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 7.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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": 18.368258633333333,
  "t0_at": null,
  "signals": {
    "trigger_signal": {
      "at": "2026-11-04T21:41:00+00:00",
      "days": -0.818091825300926,
      "is_lower_bound": true,
      "measured_at": "2026-11-05T17:19:03.170343+00:00",
      "url": "https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-g5g7-gfr5-f89m"
    }
  }
}