CVE-2026-100706

Katalog CVE

CVSS 9.9 · Critical EPSS 0,61%

Kerentanan Unintended Proxy or Intermediary ('Confused Deputy'). Skor CVSS 3.1 9.9 (Critical) menurut vulncheck.com.

Deskripsi (NVD)

kyverno before 1.19.1 fails to properly validate URL-encoded path segments in Policy apiCall urlPath, allowing namespace tenants to bypass the per-namespace clamp and create objects in other namespaces as the admission-controller ServiceAccount. Attackers can exploit this by using percent-encoded directory traversal sequences to create MutatingWebhookConfiguration objects cluster-wide or PolicyException objects in the kyverno namespace, enabling privilege escalation to cluster admin.

Rincian

Terbit di NVD

26 September 2026

Terakhir diubah

28 September 2026

Status NVD

Awaiting Analysis

CVSS 3.1

9.9 (Critical), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')

EPSS (30 hari)

0,61% peluang dieksploitasi; lebih tinggi dari 47,9% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/kyverno/kyverno/security/advisories/GHSA-5qq8-67g6-4h2w
• https://www.vulncheck.com/advisories/kyverno-before-1.19.1-privilege-escalation-via-policy-apicall-urlpath