CVE-2026-122308

High

Description

Kyverno before 1.19.2 contains an authorization bypass vulnerability in the Generation Handler that allows users with create/update permissions to trigger synchronized generate policies by spoofing internal generate.kyverno.io labels. Attackers can label a ConfigMap as managed-by kyverno with crafted policy, rule, and trigger labels to clone sensitive Secrets from restricted namespaces into their own namespace.

SeverityHigh

CVSS8.5

Exploit probability—

ProductKyverno

PublishedNov 5, 2026

First seenNov 5, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

kyverno kyverno1.19.2 or later

Vendor advisories

github.com/kyverno/kyverno/security/advisories/GHSA-hg5v-hwm3-956r

Affected products

Product	Affected versions	Fixed in
kyverno kyverno	v < 1.19.2	1.19.2

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