List Kubernetes cluster role bindings
AI agents call list-clusterrolebindings to retrieve information from Kubernetes MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays cluster role binding configurations without modifying them. While read operations are typically low severity, cluster role bindings reveal sensitive RBAC (Role-Based Access Control) information that could enable privilege escalation attacks or help an attacker map authorization policies. Elevated to medium severity due to the sensitive nature of the data exposed.
From the tool's definition Tool name and description indicate listing/querying cluster role bindings: 'List Kubernetes cluster role bindings'. The verb 'list' is a read operation with no modification or side effects.
Attacks that exploit this kind of access
List Kubernetes cluster role bindings. It is categorised as a Read tool in the Kubernetes MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Kubernetes MCP Server MCP server in PolicyLayer and add a rule for list-clusterrolebindings: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Kubernetes MCP Server. Nothing to install.
list-clusterrolebindings is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list-clusterrolebindings rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for list-clusterrolebindings. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
list-clusterrolebindings is provided by the Kubernetes MCP Server MCP server (thekaranpargaie/kube-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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