CVE-2026-122311

{
  "etk_id": "ETK-2026-3576",
  "cve_id": "CVE-2026-122311",
  "display_id": "CVE-2026-122311",
  "ghsa_id": "GHSA-p59g-p6q6-8969",
  "euvd_id": "EUVD-2026-117222",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Path traversal in Kyverno CEL resource functions",
  "summary": "Kyverno 1.16.0 through 1.19.1 does not adequately constrain paths supplied to CEL resource access functions. An actor who can create a NamespacedValidatingPolicy may access or modify cluster resources beyond its namespace using the admission controller service account.",
  "mitigation": "Upgrade Kyverno to version 1.19.2 or later. Until upgraded, restrict creation of NamespacedValidatingPolicy resources to trusted administrators.",
  "vendor": "kyverno",
  "product": "kyverno",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 1.16.0, < 1.19.2"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "1.19.2"
      ],
      "package_name": "kyverno",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.9,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 17.27992305,
  "t0_at": "2026-11-05T02:25:13.645000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-05T02:25:13.645000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-05T02:25:13.645000+00:00",
      "url": "https://github.com/advisories/GHSA-p59g-p6q6-8969"
    }
  }
}