CISA KEV MCP Server

Item: CISA KEV MCP Server
Rating: 46
Author: M8ven

Provides access to CISA's Known Exploited Vulnerabilities catalog via the Model Context Protocol, enabling querying, searching, and analyzing vulnerability data.

→ lambdamechanic/kev-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 9 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

14 tools verified — handlers match their declared behaviour

13 read-only tools verified — handlers contain no write/delete/exec

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

// known CVEs in dependencies9 high21 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@hono/node-server@1.14.2GHSA-wc8c-qw6v-h7f6

@hono/node-server has authorization bypass for protected static paths via encoded slashes in Serve Static Middleware

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highhono@4.7.10GHSA-3vhc-576x-3qv4

Hono JWK Auth Middleware has JWT algorithm confusion when JWK lacks "alg" (untrusted header.alg fallback)

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configKEV_CACHE_PATH— Persist KEV cache JSON to disk (defaults to in-memory only)

configKEV_MIRROR_URL— Override the KEV feed URL (takes precedence over KEV_URL)

configKEV_URL— Override the default CISA KEV feed URL

configLOG_HEALTH_CHECKS— true: Enable logging of successful health check requests (default: only errors are logged)

configPORT— Set the HTTP server port (default: 9191)

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/lambdamechanic-kev-mcp-pkkbl6)](https://m8ven.ai/mcp/lambdamechanic-kev-mcp-pkkbl6)

commit: 04c8eb3a3dd05672d642f55a5f3c5b4007ce7fa7

code hash: 36f053ac25c892372cc677ee4ae666cb8baf7d141e40756e3c73371c569ac9a7

verified: 6/24/2026, 10:18:32 AM

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