Dockle vs Kubescape

Dockle is a free, self-hosted container image linter focused on security and Docker best practices. It scans images for vulnerabilities and checks settings against CIS Docker Image Benchmarks, along with Docker- and Linux-specific issues such as empty passwords and duplicate user or group IDs. Results can be displayed or saved in JSON and SARIF formats. Users can set an exit level and ignore selected checkpoints through command options, environment variables, or a .dockleignore file. The project documents continuous-integration use and provides a GitHub Action, with examples for Travis CI, CircleCI, and GitLab CI. Dockle can access private images in Docker Hub, Amazon ECR, Google Container Registry, and self-hosted registries. It can also scan an image archive created with docker save by using the --input option. Installation routes include Homebrew, Linux distribution packages, Windows binaries, version managers, source builds, and Docker. Dockle runs on Linux, macOS, and Windows and is listed under the Apache-2.0 license.

Kubescape is an open-source platform for Kubernetes security across configuration, images, compliance, and activity in running clusters. It analyzes Kubernetes manifests, Helm charts, and live clusters for misconfigurations. Its operator scans deployed container images for vulnerabilities using Grype and public vulnerability databases, and monitors active clusters for suspicious behavior and threats. Kubescape supports CIS, NSA-CISA, MITRE ATT&CK, and SOC 2 frameworks. Its policy engine uses Open Policy Agent to evaluate Kubernetes objects against posture controls written in Rego; the operator runs as microservices that continuously monitor cluster posture. Integrations are available for GitHub, GitLab CI/CD, Lens, and Visual Studio Code. The CLI can download artifacts for local use, including in offline and air-gapped environments. Results can be exported as JSON or JUnit XML or rendered as HTML or PDF. The CLI and Kubernetes operator are self-hosted and free under Apache License 2.0. ARMO Platform is a compatible provider for uploading scan results and downloading custom artifacts; its price depends on vCPUs and other cloud resources.