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Security audit

zoho-bigin

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed Zoho Bigin CRM integration that uses Maton authentication and includes appropriate cautions for writes, credentials, hosted functions, and persistent triggers.

Before installing, understand that this skill can read and modify Zoho Bigin CRM data through your Maton connection. Use OAuth when possible, approve every write or automation explicitly, avoid broad OAuth scopes, and be especially cautious with persistent triggers or third-party destinations because they can continue forwarding event data until removed.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

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)

Description-Behavior Mismatch

Low
Category
Not specified by scanner
Confidence
97% confidence
Finding

The manifest says the skill manages contacts, companies, pipelines, and products, but the API reference also documents access to Tasks, Events, Calls, Notes, and Users, plus generic record operations over custom modules. That means the documented behavior is broader than the headline description of the skill's scope.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.