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Security audit

Yahoo Finance

Security checks across malware telemetry and agentic risk

Overview

This is a disclosed Yahoo Finance helper, with the main caution being optional uv install commands that run remote installer scripts.

Prefer installing uv through Homebrew or pip instead of piping a remote installer directly into a shell. Be aware that first use may install yfinance and rich into uv's cache and that the reviewed bundle does not include the referenced yf script, so the CLI may require an additional file not present here.

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
Findings (1)

Missing User Warnings

Medium
Confidence
96% confidence
Finding
The skill documentation instructs users to execute remote installation scripts directly via shell and PowerShell (`curl ... | sh`, `irm ... | iex`) without any verification, pinning, checksum validation, or safety warning. This creates a supply-chain execution risk: if the remote host, installer, network path, or published script is compromised, users may immediately run attacker-controlled code on their machine.

VirusTotal

64/64 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.