CVE-2026-100706

CriticalCVSS 9.9/10Last modified Sep 28, 2026

Description

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.

Metrics

CVSS 3.1 9.9/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-441

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Sep 26, 2026
Last modified: Sep 28, 2026
NVD status: Awaiting Analysis

Related CVEs from 2026

CVE-2026-1007077.7Kyverno before 1.19.1 contains a namespace isolation bypass in the apiCall context entry of namespaced Policy resources due to inconsistent CVE-2026-1007087.1Froxlor before 2.3.13 returns the ssl_key_file column — which stores the raw PEM TLS private-key content — verbatim in the JSON responses of CVE-2026-1007097.5Froxlor through 2.3.10 stores only a numeric user ID in remembered-2FA tokens (panel_2fa_tokens) without recording the account namespace, an CVE-2026-100719.8DreamMaker developed by Interinfo has an Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execut CVE-2026-1007104.9Froxlor through 2.3.10 does not filter sensitive columns from API responses: Domains::get(), Domains::listing(), SubDomains::get(), and the CVE-2026-1007117.5froxlor versions before 2.3.12 fail to invalidate existing panel sessions, API keys, and 2FA trust cookies when a user password is changed. CVE-2026-1007126.5froxlor through 2.3.10 disables a user's two-factor authentication immediately upon an unauthenticated-triggerable GET request to the 2FA ma CVE-2026-1007137.8Froxlor 2.3.10 and earlier contain a time-of-check time-of-use (TOCTOU) race condition in the SSH key synchronization cron (lib/Froxlor/Cron CVE-2026-1007149.1Froxlor before 2.3.12 does not restrict or escape the system.letsencryptchallengepath setting: unlike sibling settings hardened in GHSA-33mp CVE-2026-1007159.6Froxlor through 2.3.10 is vulnerable to arbitrary file deletion via symlink following in the FTP data deletion cron task. Cron task 8 (delet CVE-2026-1007169.9Froxlor is a server administration panel. In versions 2.3.10 and earlier, the customer data-export (DataDump) cron fails to validate interme CVE-2026-1007179.9froxlor is a server administration panel. In versions 2.3.10 and earlier, Validate::validateUrl rejects carriage return and line feed charac