CRITICAL 9.4 NVD
CVE-2026-122304
Kyverno from 1.17.0 before 1.19.2 contains an authorization bypass vulnerability that allows namespace admins to escape namespace confinement because the cleanu
Kyverno from 1.17.0 before 1.19.2 contains an authorization bypass vulnerability that allows namespace admins to escape namespace confinement because the cleanup controller builds its context loader with a nil policy. Attackers can create a namespaced CleanupPolicy with apiCall or globalReference context entries to read cross-namespace Secrets and modify validatingwebhookconfigurations using the cleanup controller's ServiceAccount.
References
- https://github.com/kyverno/kyverno/security/advisories/GHSA-p58h-r4j3-h5vx
- https://github.com/kyverno/kyverno/security/advisories/GHSA-rcxg-3f92-3mgr
- https://www.vulncheck.com/advisories/kyverno-1.17.0-before-1.19.2-privilege-escalation-via
This critical severity vulnerability with a CVSS score of 9.4 was published on 2026-11-05 via NVD.
Risk Timeline
CVE Disclosed2026-11-05 · -1 days ago
Remediation Resources
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