Firefly III MCP Server

Item: Firefly III MCP Server
Rating: 0
Author: M8ven

Enables interaction with Firefly III personal finance management instances via the Firefly III API, deployed as a Cloudflare Worker. It allows AI tools to manage transactions, accounts, budgets, and reporting through natural language.

→ dmitos/firefly-iii-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 5 high

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

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

// known CVEs in dependencies5 high4 medium22 low

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

highhono@4.7.11GHSA-3vhc-576x-3qv4

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

highhono@4.7.11GHSA-f67f-6cw9-8mq4

Hono JWT Middleware's JWT Algorithm Confusion via Unsafe Default (HS256) Allows Token Forgery and Auth Bypass

highhono@4.7.11GHSA-m732-5p4w-x69g

Hono Improper Authorization vulnerability

highhono@4.7.11GHSA-q5qw-h33p-qvwr

Hono vulnerable to arbitrary file access via serveStatic vulnerability

highwrangler@4.20.0GHSA-36p8-mvp6-cv38

Wrangler affected by OS Command Injection in `wrangler pages deploy`

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// 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 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

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commit: d9a6411706f45f0c2e14b422a8a3a402333daef0

code hash: 422a2c7b14b719c4722632aced0ad709fcc6b927430359d579e701dbe510fe7d

verified: 6/15/2026, 2:28:21 PM

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