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Security audit

Cta Skill

Security checks across malware telemetry and agentic risk

Overview

This is a disclosed Chicago transit helper that uses CTA API keys only for official CTA lookups and caches public schedule data locally.

Install this if you are comfortable storing CTA developer keys in environment variables or the skill-local .env file and letting the skill contact CTA services. Run refresh-gtfs only when you want it to create or update the local schedule cache under ~/.cta/gtfs/.

SkillSpector

By NVIDIA
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

VirusTotal

62/62 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

Detected: suspicious.env_credential_access

Environment variable access combined with network send.

Critical
Code
suspicious.env_credential_access
Location
scripts/cta.mjs:38