CVE-2026-104966

{
  "etk_id": "ETK-2026-664",
  "cve_id": "CVE-2026-104966",
  "display_id": "CVE-2026-104966",
  "ghsa_id": "GHSA-933r-rxg8-f3h2",
  "euvd_id": "EUVD-2026-92488",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Cross-workspace IDOR in makeplane plane",
  "summary": "Plane releases before 1.4.0 do not consistently enforce workspace and project ownership for certain nested estimate and issue-comment operations. An authenticated user may access or modify estimates, or add comments, for resources belonging to another workspace.",
  "mitigation": "Upgrade Plane to version 1.4.0 or later. Until the upgrade is complete, limit access to trusted authenticated users and review cross-workspace activity involving estimates and issue comments.",
  "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": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N",
  "epss_score": 0.0025,
  "epss_percentile": 0.1488,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 60.84132125,
  "t0_at": "2026-10-05T16:54:27.158000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-05T18:45:35.578251+00:00",
      "days": 0.07718078994212962,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T16:54:27.158000+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-09-28T07:03:25+00:00",
      "days": -7.410441643518518,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T16:54:27.158000+00:00",
      "url": "https://github.com/makeplane/plane/security/advisories/GHSA-933r-rxg8-f3h2"
    },
    "trigger_signal": {
      "at": "2026-10-05T16:54:27.158000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T16:54:27.158000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-104966"
    }
  }
}