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mcp-opnsense

Slim OPNsense MCP Server — 62 tools for managing firewall infrastructure via the OPNsense REST API. Covers DNS/Unbound, Firewall rules, Diagnostics, Interfaces, DHCP (ISC + Kea), System/Backups, ACME/Let's Encrypt, and Firmware. No SSH, no shell, API-only with 3 runtime dependencies. AGPL-3.0 + Commercial dual-licensed.

→ itunified-io/mcp-opnsense· listed on glama
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// key findings
🚨
Known vulnerabilities in dependencies: 2 critical, 17 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 2 credentials: OPNSENSE_API_KEY, OPNSENSE_API_SECRET
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies2 critical17 high12 low

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

criticalvitest@2.0.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@2.0.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

high@modelcontextprotocol/sdk@1.24.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.24.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

highaxios@1.7.0GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
🔐 secretOPNSENSE_API_KEY— "": "your-api-key",
🔐 secretOPNSENSE_API_SECRET— api_secret
configOPNSENSE_SSH_CONNECT_TIMEOUT— No 10 SSH connect timeout in seconds
configOPNSENSE_SSH_ENABLED— No false Enable SSH-backed tools (opnsense_if_assign, opnsense_if_configure) — see below
configOPNSENSE_SSH_HELPER_DIR— No /usr/local/opnsense/scripts/mcp Remote directory holding if_assign.php / if_configure.php
configOPNSENSE_SSH_PORT— No 22 SSH port
configOPNSENSE_TIMEOUT— Note: OPNSENSE_VERIFY_SSL, , and all SSH-related env vars
configOPNSENSE_URL— "": "https://your-opnsense.example.com",
configOPNSENSE_VERIFY_SSL— Note: , OPNSENSE_TIMEOUT, and all SSH-related env vars
// 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 3 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/itunified-io-mcp-opnsense-1wzifi)](https://m8ven.ai/mcp/itunified-io-mcp-opnsense-1wzifi)
commit: 59c37b0b091f24b049515633b9b17972ac3e5a76
code hash: 8d82ea7fffd263c1daefdb89e1febe8a98d78156d5e79e7abe3e0948a636c13e
verified: 6/15/2026, 2:23:08 PM
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