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Security audit

Poyo Replace Section

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward PoYo API helper that discloses its network use and API-key requirements without hidden persistence or unrelated authority.

Install only if you intend to use PoYo's Replace Section API. Keep POYO_API_KEY in a server-side secret store, review payloads before submission, and avoid logging prompts, lyrics, task IDs, audio IDs, callback URLs, generated URLs, or authorization headers.

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
83% confidence
Finding
The skill declares shell-capable execution requirements via `curl` in metadata but does not declare corresponding permissions, which creates a capability/permission mismatch. This can cause agents or operators to underestimate the skill's ability to make outbound requests and handle sensitive inputs like API keys, increasing the risk of unintended execution or data exposure.

Static analysis

No suspicious patterns detected.