search_cves

THE RISK

Low Risk

Why search_cves needs a policy

This tool performs a read-only search of existing CVE data. It retrieves information about known vulnerabilities without creating, modifying, deleting, or executing any operations.

From the tool's definition Tool name 'search_cves' and description 'Search CVEs by vendor and optionally product' indicate a query operation that retrieves vulnerability data from cve-search.org with no side effects.

Documented attack patterns abuse exactly the kind of access search_cves gives an agent:

POLICY

How to control search_cves

PolicyLayer is an MCP gateway — it sits between your AI agents and RAD Security, and nothing reaches the server without passing your rules. This is the rule we recommend for search_cves:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "search_cves": {}
  }
}

search_cves is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register RAD Security — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More RAD Security tools

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All 55 RAD Security tools →

Read tools on other servers

M-Team MCP Server get_torrent_detail YouTube MCP Server search_channel Android Forensics ADB MCP Server parse_browser_history 0xarchive web3_challenge

Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about search_cves

What does the search_cves tool do? +

Search CVEs by vendor and optionally product. Source: cve-search.org. It is categorised as a Read tool in the RAD Security MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on search_cves? +

Register the RAD Security MCP server in PolicyLayer and add a rule for search_cves: 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 RAD Security. Nothing to install.

What risk level is search_cves? +

search_cves is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit search_cves? +

Yes. Add a rate_limit block to the search_cves 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.

How do I block search_cves completely? +

Set action: deny in the PolicyLayer policy for search_cves. 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.

What MCP server provides search_cves? +

search_cves is provided by the RAD Security MCP server (rad-security/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every RAD Security tool call.

Start from RAD Security, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →