CVE-2026-121662

{
  "etk_id": "ETK-2026-4216",
  "cve_id": "CVE-2026-121662",
  "display_id": "CVE-2026-121662",
  "ghsa_id": "GHSA-fp22-hgv9-mq6q",
  "euvd_id": "EUVD-2026-122472",
  "status": "rejected_out_of_scope",
  "anchor_state": "anchored",
  "title": "Workspace Trust bypass through prototype pollution in VS Code",
  "summary": "VS Code 1.145.2 and earlier can improperly merge workspace configuration, allowing prototype pollution to bypass Restricted Mode protections. An attacker who persuades a user to open a malicious workspace may cause that workspace's MCP server to start without a trust decision.",
  "mitigation": "Update VS Code to version 1.145.3 or later. Until updates are deployed, do not open workspaces from untrusted sources.",
  "vendor": "other",
  "product": "other:VS Code",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 1.145.3"
      ],
      "ecosystem": "other",
      "fixed_versions": [
        "1.145.3"
      ],
      "package_name": "VS Code",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 8.6,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": null,
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 0.20278518333333334,
  "t0_at": "2026-11-10T18:23:55.463000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-10T18:23:55.463000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-10T18:23:55.463000+00:00",
      "url": "https://github.com/microsoft/vscode/security/advisories/GHSA-fp22-hgv9-mq6q"
    }
  }
}