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Security audit

music-memory

Security checks for vulnerabilities and agentic risk

Overview

This skill clearly functions as a BlueColumn-backed music practice memory tool, but users should treat uploaded recordings and lesson notes as externally stored data.

Install only if you are comfortable sending practice recordings, transcripts, lesson notes, and coaching observations to BlueColumn's cloud service. Avoid including student names or sensitive personal details unless you have consent and understand the service's retention and deletion options.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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 (3)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The skill explicitly encourages uploading practice recordings, lesson notes, and coaching observations to a remote BlueColumn-backed service, but it does not warn users that potentially sensitive student data, voice recordings, or personal learning notes are being transmitted and stored externally. In a coaching or student context, this can expose private educational data and audio content without informed consent or clear handling expectations.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
95% confidence
Finding

This example sends a recording URL and richly detailed musical context to an external API for transcription and embedding. Because the payload may contain identifiable voice/audio data, student performance details, and instructor notes, the transmission creates a real confidentiality risk if users are not clearly informed or if the endpoint, retention, and access controls are not documented.

Content

Scanner excerpt · SKILL.md (reported line 15)May include surrounding context.

Send the recording URL plus a structured context block. The audio gets transcribed; the context gets embedded alongside it, so recall sees both.

bash
curl -X POST https://xkjkwqbfvkswwdmbtndo.supabase.co/functions/v1/agent-remember \
  -H "Authorization: Bearer $BLUECOLUMN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 32)May include surrounding context.

The filters are semantic, not rigid. Ask in music terms:

bash
curl -X POST https://xkjkwqbfvkswwdmbtndo.supabase.co/functions/v1/agent-recall \
  -H "Authorization: Bearer $BLUECOLUMN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"q": "What problems keep showing up in barre chord transitions? (instrument: acoustic-steel; techniques: barre-chords)"}'

Static analysis

No suspicious patterns detected.