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Security audit

Song

Security checks for vulnerabilities and agentic risk

Overview

This song-writing skill uses local draft and preference files in a disclosed, purpose-aligned way, with minor privacy considerations around saved preferences.

Before installing, understand that the skill may keep song drafts, generator prompts, and style preferences under ~/songs. Review or delete ~/songs/preferences.md if you do not want older creative preferences reused in future songwriting sessions.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

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 (2)

Missing User Warnings

Medium
Confidence
93% confidence
Finding
The skill explicitly instructs persistent storage of user preferences in `~/songs/preferences.md` but provides no notice, consent mechanism, retention limit, or guidance on handling potentially sensitive personal data. Even though the data seems low-risk at first glance, creative preferences, themes, and feedback can reveal personal traits or sensitive interests, and indefinite local retention increases privacy and data-minimization risk.

Missing User Warnings

Low
Confidence
92% confidence
Finding
The skill instructs the agent to read a user-local file (`~/songs/preferences.md`) before obtaining explicit consent in the current interaction. Even though the file appears relevant to song-writing personalization, it is still user data access that is not clearly disclosed or gated, which can violate privacy expectations and expose prior content the user did not intend to reuse.

Static analysis

No suspicious patterns detected.