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cve_lookup

Lookup CVE details

SERVERRuflo SOURCEruvnet/ruflo
Low RISK CLASS
Category Read
Parameters 00 required
Recommended Allowedsee the rule below
Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/ruflo/cve-lookup.md

What cve_lookup does on Ruflo

AI agents call cve_lookup to retrieve information from Ruflo without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why cve_lookup is rated Low

This tool retrieves vulnerability information from a CVE database without modifying, executing code, or causing destructive changes. While CVE information could theoretically be used to exploit systems, the tool itself is merely a read operation that queries existing security data. The blast radius is minimal since it only returns information already in public vulnerability databases.

From the tool's definition The tool name 'cve_lookup' and description 'Lookup CVE details' indicate a query/retrieval operation that accesses CVE (Common Vulnerabilities and Exposures) information.

Questions about cve_lookup

What does the cve_lookup tool do? +

Lookup CVE details. It is categorised as a Read tool in the Ruflo MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on cve_lookup? +

Register the Ruflo MCP server in PolicyLayer and add a rule for cve_lookup: 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 Ruflo. Nothing to install.

What risk level is cve_lookup? +

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

Can I rate-limit cve_lookup? +

Yes. Add a rate_limit block to the cve_lookup 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 cve_lookup completely? +

Set action: deny in the PolicyLayer policy for cve_lookup. 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 cve_lookup? +

cve_lookup is provided by the Ruflo MCP server (ruvnet/ruflo). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

More on Ruflo, and thousands of servers like it.

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