CVE-2026-55387

{
  "etk_id": "ETK-2026-1837",
  "cve_id": "CVE-2026-55387",
  "display_id": "CVE-2026-55387",
  "ghsa_id": "GHSA-wxrv-73x6-8r62",
  "euvd_id": "EUVD-2026-101609",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Cross-tenant bulk-deletion authorization flaw in InvoiceShelf",
  "summary": "InvoiceShelf versions 2.3.3 and earlier do not consistently enforce company ownership when processing bulk-delete requests. An authenticated user may delete records associated with another company if they can provide applicable record identifiers.",
  "mitigation": "Upgrade InvoiceShelf to version 2.4.0 or later. Restrict access to affected bulk-delete functions until the upgrade is complete.",
  "vendor": "InvoiceShelf",
  "product": "InvoiceShelf",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 2.4.0"
      ],
      "ecosystem": "actions",
      "fixed_versions": [
        "2.4.0"
      ],
      "package_name": "InvoiceShelf/InvoiceShelf",
      "purl": "pkg:github/InvoiceShelf/InvoiceShelf"
    }
  ],
  "cwes": [
    284
  ],
  "cvss_score": 7.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0034,
  "epss_percentile": 0.2611,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 23.192453116666666,
  "t0_at": "2026-10-14T19:21:49.520000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-17T03:29:01.060487+00:00",
      "days": 2.338328014895833,
      "is_lower_bound": false,
      "measured_at": "2026-10-14T19:21:49.520000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-14T19:21:49.520000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-14T19:21:49.520000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-55387"
    }
  }
}