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Security audit

Poyo Upload And Extend Audio

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward PoYo audio-extension helper that discloses its API key and network use and limits live submissions to user-confirmed PoYo requests.

Install only if you intend to send audio-extension jobs to PoYo. Keep POYO_API_KEY in a server-side secret store, review payloads before submission, and avoid sending private audio URLs, callback URLs, lyrics, or customer data unless your policy allows sharing them with PoYo.

SkillSpector

Vulnerability Patterns
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • 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)

Lp3

Medium
Category
MCP Least Privilege
Confidence
82% confidence
Finding
The skill declares shell-capable execution through its documented use of curl and a submission script, but there is no explicit permission declaration or guardrail metadata indicating that shell/network execution is constrained. This can lead to agents invoking external commands in environments where such capabilities were not transparently disclosed or policy-gated, increasing the risk of unintended command execution and data transfer.

Static analysis

No suspicious patterns detected.