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CyberChef MCP Server

Enables AI assistants to execute 463 CyberChef data manipulation operations—including encryption, encoding, and forensic analysis—as MCP tools.

→ doublegate/CyberChef-MCP· listed on glama
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// key findings
🚨
Known vulnerabilities in dependencies: 3 critical, 9 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 1 credential: CODECOV_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies3 critical9 high6 medium21 low

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

criticalhandlebars@4.7.8GHSA-2w6w-674q-4c4q

Handlebars.js has JavaScript Injection via AST Type Confusion

criticaljsonata@2.0.3GHSA-fqg8-vfv7-8fj8

JSONata expression can pollute the "Object" prototype

criticalvitest@4.0.15GHSA-5xrq-8626-4rwp

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

high@xmldom/xmldom@0.8.10GHSA-2v35-w6hq-6mfw

xmldom: Uncontrolled recursion in XML serialization leads to DoS

high@xmldom/xmldom@0.8.10GHSA-f6ww-3ggp-fr8h

xmldom has XML injection through unvalidated DocumentType serialization

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.
🔐 secretCODECOV_TOKEN
// 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 5 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/doublegate-cyberchef-mcp-r7d6qk)](https://m8ven.ai/mcp/doublegate-cyberchef-mcp-r7d6qk)
commit: c040f8042a80005389c35f5990a89b8a2d8ddb5e
code hash: 9401cf34449fd350020f97db057c5746e330088e4b34cc589c338e44c937595e
verified: 6/18/2026, 10:52:53 AM
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