--- title: Kubernetes RBAC Explained by Breaking It: Practice Roles... description: A free browser-based simulator teaches Kubernetes RBAC by walking through seven scenarios where roles and bindings are deliberately broken, revealing why a... canonical: https://daily.dev/posts/yk6wxixn8 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Kubernetes RBAC Explained by Breaking It: Practice Roles and Bindings in Your Browser | daily.dev og:description: A free browser-based simulator teaches Kubernetes RBAC by walking through seven scenarios where roles and bindings are deliberately broken, revealing why a... og:url: https://daily.dev/posts/yk6wxixn8 og:image: https://api.daily.dev/og/posts/yk6WXixN8.png og:image:alt: Post cover image og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Kubernetes RBAC Explained by Breaking It: Practice Roles and Bindings in Your Browser **[DevOps Daily](https://daily.dev/sources/devopsdaily)** · [@bobbyiliev](https://daily.dev/bobbyiliev) · 74 upvotes · 4 comments ## Summary A free browser-based simulator teaches Kubernetes RBAC by walking through seven scenarios where roles and bindings are deliberately broken, revealing why a ClusterRole bound with a RoleBinding stays namespace-scoped, why nodes can never be granted through a namespaced binding, why a typo'd roleRef fails silently, and how permissions like listing Secrets, creating Pods, or using escalate/bind/impersonate verbs can grant far more access than intended. Includes matching kubectl auth can-i commands verified against a real v1.37.1 cluster, plus three escalation paths worth checking in every RBAC review. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@harshitmanepally** · 5 upvotes > Quite helpful. Searching for a devops tutorial or similar. **@swarnasharmin** · 3 upvotes > Always happy to assist with your developer platform strategy. **@sinarezaei** · 1 upvotes > One thing I'd pay extra attention to in a real cluster is who can create Jobs or Pods, not just who can read Secrets. > > For example, imagine a CI runner that can create Jobs in a shared namespace. If the workload spec isn't properly constrained, someone could submit a Job using a more privileged ServiceAccount and mount Secrets that belong to other workloads in that namespace. They never needed direct `get secrets` permission to create a serious security problem. > > I'd audit workload creation as a potential privilege boundary, then enforce restrictions on `serviceAccountName`, volume mounts and... ## Similar posts on daily.dev - [Medium](https://daily.dev/posts/medium-ppeofcz2x) · Medium · 0 upvotes · 0 comments - [Why Kubernetes RBAC Misconfigurations Are the Easiest Privilege Escalation You’ll Ever Find](https://daily.dev/posts/why-kubernetes-rbac-misconfigurations-are-the-easiest-privilege-escalation-you-ll-ever-find-7zx0y67wq) · Cloud Native Now · 1 upvotes · 0 comments - [Kubernetes User Authentication with Client Certificates and RBAC](https://daily.dev/posts/kubernetes-user-authentication-with-client-certificates-and-rbac-qvbi0zovt) · Towards Dev · 3 upvotes · 0 comments - [How to Secure a Kubernetes Cluster: RBAC, Pod Hardening, and Runtime Protection](https://daily.dev/posts/how-to-secure-a-kubernetes-cluster-rbac-pod-hardening-and-runtime-protection-dbiccqree) · freeCodeCamp · 4 upvotes · 0 comments - [A Brief Deep-Dive into Attacking and Defending Kubernetes](https://daily.dev/posts/a-brief-deep-dive-into-attacking-and-defending-kubernetes-vxcbvujil) · Tech Lead Digest · 5 upvotes · 0 comments --- Tags: [#devops](https://daily.dev/tags/devops), [#kubernetes](https://daily.dev/tags/kubernetes) [View this post on daily.dev](https://daily.dev/posts/yk6wxixn8) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/yk6wxixn8","headline":"Kubernetes RBAC Explained by Breaking It: Practice Roles and Bindings in Your Browser","text":"Shared: Kubernetes RBAC Explained by Breaking It: Practice Roles and Bindings in Your Browser","url":"https://daily.dev/posts/yk6wxixn8","datePublished":"2026-10-14T10:42:44.683Z","dateModified":"2026-10-14T10:46:01.393Z","author":{"@type":"Person","name":"Bobby Iliev","url":"https://daily.dev/bobbyiliev","image":"https://avatars3.githubusercontent.com/u/21223421?v=4","description":"DevOps, DevEx, cloud \u0026 open source\n","worksFor":{"@type":"Organization","name":"Materialize","logo":"https://res.cloudinary.com/daily-now/image/upload/s--4mL2CrlK--/f_auto/v1725263959/companies/materialize"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":91430}},"image":"https://media.daily.dev/image/upload/s--qPvKM23u--/f_auto/v1722860399/public/Placeholder%2009","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":74},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":4}],"sharedContent":{"@type":"WebPage","url":"https://api.daily.dev/r/YICvxrHXi"},"comment":[{"@type":"Comment","text":"Quite helpful. Searching for a devops tutorial or similar.","datePublished":"2026-10-15T05:59:40.297Z","url":"https://daily.dev/posts/yk6WXixN8#c-EgvmPfZ3k","author":{"@type":"Person","name":"HARSHIT MANEPALLY","url":"https://daily.dev/harshitmanepally","image":"https://media.daily.dev/image/upload/s--O0TOmw4y--/f_auto/v1715772965/public/noProfile"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":5}},{"@type":"Comment","text":"Always happy to assist with your developer platform strategy.","datePublished":"2026-10-17T05:21:48.308Z","url":"https://daily.dev/posts/yk6WXixN8#c-XPVgS6MIc","author":{"@type":"Person","name":"Swarna Sharmin","url":"https://daily.dev/swarnasharmin","image":"https://media.daily.dev/image/upload/s--joHEq_jD--/f_auto/v1791022797/avatars/avatar_ZL6bebyCVkszL2cr0g8ab?_a=BAMAMicg0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3}},{"@type":"Comment","text":"One thing I’d pay extra attention to in a real cluster is who can create Jobs or Pods, not just who can read Secrets.\nFor example, imagine a CI runner that can create Jobs in a shared namespace. If the workload spec isn’t properly constrained, someone could submit a Job using a more privileged ServiceAccount and mount Secrets that belong to other workloads in that namespace. They never needed direct get secrets permission to create a serious security problem.\nI’d audit workload creation as a potential privilege boundary, then enforce restrictions on serviceAccountName, volume mounts and privileged container settings through admission policies. Also, automountServiceAccountToken: false is worth considering for workloads that don’t need Kubernetes API access.\nRBAC can look perfectly reasonable on paper while the workloads it allows tell a very different story.","datePublished":"2026-11-01T06:57:35.624Z","url":"https://daily.dev/posts/yk6WXixN8#c-ohZ63TzyW","author":{"@type":"Person","name":"Sina Rezaei","url":"https://daily.dev/sinarezaei","image":"https://lh3.googleusercontent.com/a/ACg8ocLXjJ5mCeyMCQK6CSjPfPxZisLuVwj3KOgnAtXoJoPAAsuvSrxh=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}],"isPartOf":{"@type":"WebPage","url":"https://daily.dev/squads/devopsdaily","name":"DevOps Daily"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"DevOps Daily","item":"https://daily.dev/squads/devopsdaily"},{"@type":"ListItem","position":3,"name":"Kubernetes RBAC Explained by Breaking It: Practice Roles and Bindings in Your Browser"}]} ```