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Security audit

Data Cleaning and Statistical Analysis Skill

Security checks for vulnerabilities and agentic risk

Overview

This is a straightforward data-cleaning and statistical-analysis skill with no hidden execution, persistence, credential use, or unrelated authority.

Installers should treat this as a normal data-analysis skill, but should avoid sharing identifiable clinical or participant data unless they are comfortable having the agent process it in the current environment.

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
  • 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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

Natural-Language Policy Violations

Low
Confidence
84% confidence
Finding
The example user requests are exclusively in Chinese, which implies a language-specific operating context, but the skill does not explicitly state that language choice is optional or that the skill is intended only for Chinese-speaking users. This can create a natural-language policy issue if the skill is interpreted as preferring or requiring a specific language without user opt-in.

Static analysis

No suspicious patterns detected.