Pod or container without security context

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Metadata

Id: kubernetes-pod-or-container-without-security-context

Platform: Kubernetes

Severity: Low

Category: Insecure Configurations

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Description

A security context defines privilege and access control settings for a Pod or container. This policy requires that a Pod’s spec include a securityContext and that each container in containers and initContainers include a securityContext. The rule flags Pod resources and individual containers missing a securityContext, since absent contexts can allow containers to run with default or elevated privileges and increase security risk.

Compliant Code Examples

apiVersion: v1
kind: Pod
metadata:
  name: frontend
spec:
  securityContext:
    runAsUser: 1000
  containers:
  - name: app
    image: images.my-company.example/app:v4
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

  - name: log-aggregator
    image: images.my-company.example/log-aggregator:v6
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

Non-Compliant Code Examples

apiVersion: v1
kind: Pod
metadata:
  name: frontend
spec:
  containers:
  - name: app
    image: images.my-company.example/app:v4
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

  - name: log-aggregator
    image: images.my-company.example/log-aggregator:v6
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"