CVE-2026-122302 Kyverno before 1.19.2 Privilege Escalation via Generate Rule Permission Check

What is CVE-2026-122302?

CVE-2026-122302 is a critical vulnerability in kyverno, published on 5 Nov 2026.

Official description

Kyverno before 1.19.2 contains a privilege escalation vulnerability that allows namespace admins to create resources beyond their RBAC because generate-rule admission checks verify the controller's permissions, not the author's. Attackers can create a namespaced Policy with generate rules targeting other namespaces or cluster-scoped kinds, making the background controller create or clone resources cluster-wide.

Weakness: CWE-269

Which versions are affected by CVE-2026-122302?

It affects 1 product.

Products include Kyverno.

How do I fix CVE-2026-122302?

No fix has been published for CVE-2026-122302 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-122302 being exploited?

There is no known exploitation of CVE-2026-122302 in the wild and no public exploit code.

Other vulnerabilities in kyverno

• CVE-2026-22039 Kyverno Cross-Namespace Privilege Escalation via Policy apiCall Critical 10.0
• CVE-2026-4789 CVE-2026-4789 Critical 9.8
• CVE-2026-122303 Kyverno 1.17.0 before 1.19.2 Cross-Namespace Resource Overwrite via NamespacedMutatingPolicy Critical 9.4
• CVE-2026-122304 Kyverno 1.17.0 before 1.19.2 Privilege Escalation via CleanupPolicy Context Loader Critical 9.4
• CVE-2026-122310 Kyverno 1.19.1 before 1.19.2 Privilege Escalation via Policy apiCall urlPath Critical 9.4

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• GitHub advisory
• How this page is made

Also known as GHSA-p456-76q8-jj5q, GHSA-q62c-r9v2-cf64.