CVE-2026-104971

{
  "etk_id": "ETK-2026-685",
  "cve_id": "CVE-2026-104971",
  "display_id": "CVE-2026-104971",
  "ghsa_id": "GHSA-p57q-8hh8-7fc7",
  "euvd_id": "EUVD-2026-92520",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Workspace authorization bypasses in makeplane plane",
  "summary": "Plane versions before 1.4.0 contain workspace authorization flaws affecting asset and workspace-view endpoints. An authenticated attacker may read, create, change, delete, or duplicate assets across workspace boundaries, and may read workspace-view data without membership in the target workspace.",
  "mitigation": "Upgrade Plane to version 1.4.0 or later. Until the upgrade is complete, restrict access to trusted authenticated users and review cross-workspace asset activity.",
  "vendor": "makeplane",
  "product": "plane",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.3.1"
      ],
      "ecosystem": "other",
      "fixed_versions": [
        "1.4.0"
      ],
      "package_name": "makeplane/plane",
      "purl": null
    }
  ],
  "cwes": [
    639
  ],
  "cvss_score": 8.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
  "epss_score": 0.0035,
  "epss_percentile": 0.2704,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 66.11789978333333,
  "t0_at": "2026-10-05T17:04:27.821000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-05T23:37:07.241921+00:00",
      "days": 0.27267848288194446,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T17:04:27.821000+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-09-28T07:01:18+00:00",
      "days": -7.418863668981482,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T17:04:27.821000+00:00",
      "url": "https://github.com/makeplane/plane/security/advisories/GHSA-p57q-8hh8-7fc7"
    },
    "trigger_signal": {
      "at": "2026-10-05T17:04:27.821000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T17:04:27.821000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-104971"
    }
  }
}