CVE-2026-102986

{
  "etk_id": "ETK-2026-1605",
  "cve_id": "CVE-2026-102986",
  "display_id": "CVE-2026-102986",
  "ghsa_id": "GHSA-8688-h9x2-v83m",
  "euvd_id": "EUVD-2026-101614",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Missing membership checks in Plane public asset endpoint",
  "summary": "Plane versions 1.3.1 and earlier do not properly enforce project or workspace membership for write operations on a public project asset endpoint. An authenticated attacker who knows a published project's public anchor may add files or remove existing assets, causing cross-workspace content injection, storage consumption, or data loss.",
  "mitigation": "Upgrade Plane to version 1.4.0 or later. Until upgrading, limit publication and exposure of project public anchors and restrict access to affected deployments where possible.",
  "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": 8.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
  "epss_score": 0.0042,
  "epss_percentile": 0.3561,
  "epss_asof": "2026-10-21",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 89.49233551666667,
  "t0_at": "2026-10-14T19:29:04.449000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-14T19:29:04.449000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-14T19:29:04.449000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-102986"
    }
  }
}