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Security audit

QuickBooks

Security checks across malware telemetry and agentic risk

Overview

This QuickBooks skill is a disclosed accounting integration with high-impact write capability, but it repeatedly requires user confirmation and credential care.

Install this only if you want an agent to access QuickBooks through Maton. Use a least-privileged QuickBooks account, verify the connection ID, start with read-only checks, and require explicit confirmation before any invoice, payment, customer, deletion, batch, or other write action.

SkillSpector

By NVIDIA
Vulnerability Patterns
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Intent-Code Divergence

Medium
Confidence
91% confidence
Finding
The skill says the gateway forwards arbitrary native API paths while also asserting that only endpoints in the API Reference are supported. That contradiction weakens safety boundaries: an agent may rely on the narrower allowlist claim, but in practice still be able to reach undocumented QuickBooks endpoints, including high-impact write operations. In an accounting integration, this increases the chance of unauthorized or insufficiently reviewed mutations.

VirusTotal

63/63 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.