CVE-2026-128118

{
  "etk_id": "ETK-2026-4421",
  "cve_id": "CVE-2026-128118",
  "display_id": "CVE-2026-128118",
  "ghsa_id": "GHSA-m9j8-jcmv-hp69",
  "euvd_id": "EUVD-2026-125730",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Client bundle secret exposure in SvelteKit parameter matchers",
  "summary": "SvelteKit 3.0.0 through 3.1.0 may place server-only modules imported through src/params.js into client-delivered bundles. An attacker able to inspect those bundles could obtain embedded private environment values or other exposed server secrets; exposure requires affected applications to import server-only code through parameter matcher files.",
  "mitigation": "Upgrade the SvelteKit kit package to version 3.1.1. Review deployed client bundles and rotate any secrets that may have been embedded.",
  "vendor": "sveltejs",
  "product": "kit",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 3.0.0, <= 3.1.0"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "3.1.1"
      ],
      "package_name": "@sveltejs/kit",
      "purl": "pkg:npm/@sveltejs/kit"
    }
  ],
  "cwes": [
    200
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 25.51172865,
  "t0_at": "2026-11-13T19:31:04.678000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-29T23:47:22+00:00",
      "days": -14.822021736111111,
      "is_lower_bound": false,
      "measured_at": "2026-11-13T19:31:04.678000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-128118"
    }
  }
}