ETK-2026-3167Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-3167",
  "cve_id": null,
  "display_id": "ETK-2026-3167",
  "ghsa_id": "GHSA-r79h-87qg-7gr3",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Email reply spoofing in FreeScout",
  "summary": "FreeScout versions before 1.8.249 can misattribute inbound email as a reply from an agent or administrator. An attacker able to send mail to the help desk and obtain a prior reply identifier can cause forged staff correspondence to be recorded and sent through the organization's mail account.",
  "mitigation": "Upgrade freescout-help-desk/freescout to version 1.8.249 or later. Until upgraded, restrict inbound help-desk email access where possible and closely review messages attributed to staff.",
  "vendor": "composer",
  "product": "composer:freescout-help-desk/freescout",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<1.8.249"
      ],
      "ecosystem": "composer",
      "fixed_versions": [
        "1.8.249"
      ],
      "package_name": "freescout-help-desk/freescout",
      "purl": "pkg:composer/freescout-help-desk/freescout"
    }
  ],
  "cwes": [
    290
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 83.72392673333333,
  "t0_at": null,
  "signals": {
    "public_poc": {
      "at": "2026-10-31T10:26:48+00:00",
      "days": -0.2110539679513889,
      "is_lower_bound": true,
      "measured_at": "2026-10-31T15:30:43.095125+00:00",
      "url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-r79h-87qg-7gr3"
    },
    "trigger_signal": {
      "at": "2026-10-31T10:26:48+00:00",
      "days": -0.2110539679513889,
      "is_lower_bound": true,
      "measured_at": "2026-10-31T15:30:43.095125+00:00",
      "url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-r79h-87qg-7gr3"
    }
  }
}