ETK-2026-4058Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-4058",
  "cve_id": null,
  "display_id": "ETK-2026-4058",
  "ghsa_id": "GHSA-x252-j3fp-j593",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Authorization-context disclosure in OpenProject notification emails",
  "summary": "OpenProject may render rich-text references in work-package notification emails using the comment author's permissions instead of the recipient's permissions. An authenticated user who can access a private work package can cause a mentioned user without access to receive its subject, type, or status in an email.",
  "mitigation": "Upgrade OpenProject / opf/openproject to No patched version known at time of report. or later.",
  "vendor": null,
  "product": "OpenProject / opf/openproject",
  "affected": [
    {
      "affected_notes": [
        "Runtime-confirmed on OpenProject development branch / openproject/openproject:dev",
        "Core 19.x-pre",
        "including commit e70b9ab21c8c10663b23adcaf0a233bc46069ed5 where the static work-package quickinfo label renderer exists.  The exact ##N / ###N subject/type/status vector was not confirmed in latest stable v17.4.0. However",
        "the same WorkPackageMailer#mentioned author-principal rendering pattern exists in stable code and should be reviewed across server-side rich-text macros such as child_pages."
      ],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [
        "No patched version known at time of report."
      ],
      "package_name": "OpenProject / opf/openproject",
      "purl": null
    }
  ],
  "cwes": [
    200
  ],
  "cvss_score": 9,
  "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": 66.41696333333333,
  "t0_at": null,
  "signals": {
    "trigger_signal": {
      "at": "2026-11-10T13:41:18+00:00",
      "days": -0.4983918647337963,
      "is_lower_bound": true,
      "measured_at": "2026-11-11T01:38:59.098269+00:00",
      "url": "https://github.com/opf/openproject/security/advisories/GHSA-x252-j3fp-j593"
    }
  }
}