kube-bench review
A focused open-source auditor for Kubernetes configuration and CIS benchmark checks.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
kube-bench is an open-source Go application for Kubernetes administrators and security teams assessing cluster configuration compliance. It audits Kubernetes nodes and components against CIS Kubernetes Benchmark checks and other hardening guides, reporting pass, fail, warning, and informational results with remediation guidance. The tool supports Kubernetes, GKE, EKS, ACK, OpenShift, and other distributions, making it suited to teams managing varied Kubernetes environments.
Its strongest feature is focused benchmark execution. kube-bench automatically detects the Kubernetes version and selects a corresponding benchmark, then identifies running components and chooses applicable test targets. Teams can run it as a host binary, container, or Kubernetes Job, and can select individual checks, groups, or benchmark targets. YAML control files define checks and remediation guidance, giving administrators a way to manage benchmark behavior without changing the application. Results are available in JSON or JUnit formats, and failed or warning findings can be sent to AWS Security Hub.
The open-source model fits organizations that want a self-hosted Kubernetes audit tool without a commercial plan structure. Its scope is deliberately narrower than a full container security platform: kube-bench does not scan images or registries, protect workloads at runtime, enforce admission control, or provide SBOM capabilities. Teams primarily concerned with Kubernetes configuration posture and CIS benchmarking should consider it; teams needing vulnerability scanning, runtime defense, registry controls, or deployment-time policy enforcement should choose a product that covers those areas.
kube-bench pros and cons
- Where it wins
- Covers Kubernetes, GKE, EKS, ACK, OpenShift, and other distributions
- Runs as a host binary, container, or Kubernetes Job
- Exports JSON or JUnit results and forwards findings to AWS Security Hub
- Where it doesn't
- Does not scan container images or registries
- Does not provide runtime protection or admission control
- Requires self-hosted execution and Kubernetes administration knowledge
kube-bench fact sheet, pricing and score →
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