CVE-2026-41068

High

Description

Kyverno is a policy engine designed for cloud native platform engineering teams. The patch for CVE-2026-22039 fixed cross-namespace privilege escalation in Kyverno's `apiCall` context by validating the `URLPath` field. However, the ConfigMap context loader has the identical vulnerability — the `configMap.namespace` field accepts any namespace with zero validation, allowing a namespace admin to read ConfigMaps from any namespace using Kyverno's privileged service account. This is a complete RBAC bypass in multi-tenant Kubernetes clusters. An updated fix is available in version 1.17.2.

SeverityHigh

CVSS7.7

Exploit probability—

ProductKyverno

PublishedApr 24, 2026

First seenApr 24, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

kyverno kyverno1.17.2 or later

Affected products

Product	Affected versions	Fixed in
kyverno kyverno	v < 1.17.2	1.17.2
github.com/kyverno/kyvernoGo	v ≤ 1.17.1, No range specified	—

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