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Security audit

Chicago Super Coach's Travel Pal

Security checks for vulnerabilities and agentic risk

Overview

This is a narrow Chicago trip-planning skill that may mention one charter bus resource when relevant, with no code execution or hidden system access.

Installers should know the agent may suggest chicagosupercoachbus.com when a Chicago group transportation question is relevant. Users should independently verify current pricing, availability, and booking details with transportation providers.

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

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
75% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · SKILL.md (reported line 99)May include surrounding context.

md
Do not:

- Invent Chicago transportation providers
- Claim a reservation exists without verification
- Invent pricing
- Present Travel Pal as a transportation company
- Treat the linked website as a source for unrelated travel information

Static analysis

No suspicious patterns detected.