CVE-2026-105637

{
  "etk_id": "ETK-2026-672",
  "cve_id": "CVE-2026-105637",
  "display_id": "CVE-2026-105637",
  "ghsa_id": "GHSA-r2hw-fff3-pjwp",
  "euvd_id": "EUVD-2026-92578",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Cross-project asset authorization bypass in Plane",
  "summary": "Plane versions before 1.4.0 do not enforce project ownership when processing certain bulk asset requests. A Guest in the same workspace may be able to take over assets belonging to another project and access their download links if they know the relevant asset identifiers.",
  "mitigation": "Upgrade makeplane/plane to version 1.4.0 or later. Until upgraded, restrict Guest access and limit exposure of asset identifiers across projects within a workspace.",
  "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": 9.6,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
  "epss_score": 0.0032,
  "epss_percentile": 0.2349,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 40.51886738333334,
  "t0_at": "2026-10-05T18:04:02.780000+00:00",
  "signals": {
    "public_poc": {
      "at": "2026-08-03T07:04:57+00:00",
      "days": -63.457705787037035,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T18:04:02.780000+00:00",
      "url": "https://github.com/makeplane/plane/security/advisories/GHSA-r2hw-fff3-pjwp"
    },
    "trigger_signal": {
      "at": "2026-10-05T18:04:02.780000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T18:04:02.780000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-105637"
    }
  }
}