Vulnerability · Published Nov 5, 2026 · Assigned by VulnCheck

CVE-2026-122308Kyverno before 1.19.2 Label Spoofing via Generation Handler processRequest

High 8.5

In plain English

A high-severity authorization bypass via user-controlled key in kyverno from kyverno. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).

Severity (CVSS 3.1)8.5High

Exploit odds (30 days)0.2%top 85.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
kyverno	kyverno	0 – before 1.19.2

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

References

GitHub Security Advisory (GHSA-hg5v-hwm3-956r) vendor-advisory
VulnCheck Advisory: Kyverno before 1.19.2 Label Spoofing via Generation Handler processRequest third-party-advisory