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Security audit

Massive (Polygon.io)

Security checks for vulnerabilities and agentic risk

Overview

The skill is a coherent Polygon.io data connector, but its setup path includes unsafe remote-script installation commands that should be reviewed before use.

Review and install the oo CLI through a trusted, documented path before using this skill. Avoid letting an agent run the one-line remote installer automatically unless you trust OOMOL's installer source and accept the local installation and account sign-in implications.

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
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (2)

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

The skill includes a one-line installation command that downloads a remote script and pipes it directly to bash. This is dangerous because it executes unaudited code from the network immediately, allowing compromise if the hosting endpoint, transport chain, or script content is malicious or altered.

Content

Scanner excerpt · SKILL.md (reported line 94)May include surrounding context.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
97% confidence
Finding

The skill metadata instructs the agent to use this skill for ANY Massive (Polygon.io) request instead of calling the API directly, which is an overly broad routing directive. This can cause the agent to invoke local shell-based connector execution in situations where a narrower, safer, or more context-appropriate integration path would be preferable, increasing the attack surface and chance of unintended command execution workflows.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.