CVE-2026-124579

{
  "etk_id": "ETK-2026-3954",
  "cve_id": "CVE-2026-124579",
  "display_id": "CVE-2026-124579",
  "ghsa_id": "GHSA-crmj-h347-23x8",
  "euvd_id": "EUVD-2026-119873",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Relay configuration injection in aaPanel BillionMail",
  "summary": "aaPanel BillionMail through version 4.9 has an injection flaw in its Relay Configuration API when processing the helo_name setting. An attacker with access to that API may be able to inject unintended content into relay configuration handling remotely; access requiring privileges is a precondition.",
  "mitigation": "Restrict the Relay Configuration API to trusted administrators and management networks, and review relay settings for unexpected values. No fixed version is identified in the available evidence; apply a vendor update when one is published.",
  "vendor": "aaPanel",
  "product": "BillionMail",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "4.0",
        "4.1",
        "4.2",
        "4.3",
        "4.4",
        "4.5",
        "4.6",
        "4.7",
        "4.8",
        "4.9"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "BillionMail",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 7.4,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
  "epss_score": 0.0023,
  "epss_percentile": 0.1358,
  "epss_asof": "2026-11-09",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 10.960060733333334,
  "t0_at": "2026-11-09T07:45:11.538000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-09T07:45:11.538000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-09T07:45:11.538000+00:00",
      "url": "https://github.com/advisories/GHSA-crmj-h347-23x8"
    }
  }
}