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Security audit

Mojo Helpdesk

Security checks for vulnerabilities and agentic risk

Overview

The skill is coherent for Mojo Helpdesk, but its first-time setup includes remote installer commands that can execute unverified code on the user's machine.

Review this skill before installing. Its Mojo Helpdesk actions are scoped and include confirmation guidance for state changes, but install the oo CLI manually from a trusted source or verify the installer before running the provided setup commands.

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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

External Script Fetching

High
Category
Supply Chain
Confidence
92% confidence
Finding

The skill instructs the agent to install software by piping a remote script directly into a shell (curl ... | bash). This is dangerous because it executes unverified code from the network without integrity checking, version pinning, or human review; if the host, CDN, DNS, or TLS trust chain is compromised, arbitrary code can run on the local system.

Content

Scanner excerpt · SKILL.md (reported line 63)May include surrounding context.

Static analysis

No suspicious patterns detected.