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Security audit

Stdio Skill

Security checks across malware telemetry and agentic risk

Overview

This skill is a local file dropbox for an agent, with file operations confined to its own inbox, tmp, and outbox folders.

Install this only if you want an agent-accessible local file handoff area. Put only intended files in the stdio folders, be aware that overwrite and delete operations are destructive within those folders, and avoid sharing stdio_paths output if absolute local paths are sensitive.

SkillSpector

By NVIDIA
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)

Context-Inappropriate Capability

Medium
Confidence
94% confidence
Finding
The skill intentionally exposes the absolute repository root and stdio box paths via the `stdio_paths` tool. While it does not directly grant broader filesystem access, disclosing absolute internal paths leaks environmental information that is unnecessary for a simple inbox/outbox bridge and can aid follow-on attacks, targeting, or misuse by downstream agents.

VirusTotal

65/65 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.