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KubeLinter

Free#20 of 22 in Infrastructure as Code Security SoftwareInfrastructure Testing ToolsKubernetes Security SoftwareIaC Security Scanners

KubeLinter: A focused open-source linting tool for Kubernetes configuration security and readiness checks. Ranked #20 of 22 in Infrastructure as Code Security Software by our editors (7.4/10); pricing: Open source; best for kubernetes YAML and Helm linting.

7.4/10Editor score
Visit KubeLinter
KubeLinter7.4 Visit KubeLinter

At a glance

  • Editor score
    7.4 / 10
  • Pricing
    Open source
  • Best for
    Kubernetes YAML and Helm linting
  • Paid from
    None
  • Custom policies
    Yes
  • Facts checked
    20 Sep 2026
KubeLinter screenshot

  • Where it wins

    • Analyzes Kubernetes YAML, Helm charts, and Kustomize manifests
    • Supports custom checks, schema validation, and remediation guidance
    • Fits local and CI workflows with GitHub Actions, pre-commit, and SARIF

  • Where it doesn't

    • Focuses on Kubernetes rather than Terraform or CloudFormation
    • Runs on macOS and Linux
    • Requires configuration choices to tailor built-in and custom checks

Our verdict on KubeLinter

KubeLinter is an open-source static analysis tool from Red Hat for teams that manage Kubernetes configuration. It reviews Kubernetes YAML files, Helm charts, and Kustomize manifests against security and production-readiness checks, then provides remediation guidance and returns a non-zero exit code when checks fail. Its strongest fit is a Kubernetes-focused engineering or platform team that wants policy checks close to the code and deployment workflow.

The workflow supports local review and automation. Teams can enable or disable built-in checks, define custom checks, validate Kubernetes schemas, and integrate KubeLinter with pre-commit or GitHub Actions. JSON and SARIF output support machine-readable reporting, while Docker is also listed as an integration. These options make the tool suitable for pull request scanning and CI gates without requiring a separate commercial tiered product model.

KubeLinter’s value comes from its focused depth rather than broad infrastructure coverage. It covers Kubernetes analysis, including Helm and Kustomize, with security checks, custom policies, secrets detection, and production-readiness guidance. It does not target Terraform or CloudFormation, so teams seeking one scanner across multiple infrastructure-as-code formats should choose a broader alternative. Pick KubeLinter when Kubernetes configuration quality is the primary concern; look elsewhere when cross-cloud IaC coverage or a wider platform scope is the priority.

KubeLinter pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.
See plans on github.com

KubeLinter fact sheet

Free planNot verified
Paid fromNone
Terraform analysisNo
Kubernetes analysisYes
CloudFormation analysisNo
Custom policiesYes
Secrets detectionYes
Pull request scanningYes
IDE integrationNot verified
DeploymentSelf-hosted
PlatformsmacOS, Linux
SupportCommunity, Docs
Built forSolo, Small business, Mid-market, Enterprise (editorial estimate)
Integrations3 integrations: GitHub Actions, pre-commit, Docker
PricingOpen source
Websitegithub.com
Facts checked20 Sep 2026

KubeLinter integrations

KubeLinter lists 3 integrations on its own site.

  • GitHub Actions
  • pre-commit
  • Docker

Alternatives to KubeLinter

See all KubeLinter alternatives →

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Featured on iTechGuides

Featured on iTechGuides — KubeLinter 7.4/10

KubeLinter is listed in our Infrastructure as Code Security Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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