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Security audit

Suno Music

Security checks for vulnerabilities and agentic risk

Overview

This is a disclosed Suno/AceDataCloud music-generation skill that uses an API token and external API calls for its stated purpose.

Before installing, understand that prompts, lyrics, audio URLs, and project data you submit will go to AceDataCloud/Suno and may incur charges. Use a scoped AceDataCloud key where possible, keep it out of prompts and repositories, confirm paid or destructive actions before running them, and verify the optional MCP package if you choose to install it.

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
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (5)

Credential Access

High
Category
Privilege Escalation
Confidence
60% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · SKILL.md (reported line 8)May include surrounding context.

md
metadata:
  author: acedatacloud
  version: "1.0"
compatibility: Requires ACEDATACLOUD_API_TOKEN in .env file (get an API key at https://platform.acedata.cloud/console/applications). Optionally pair with mcp-suno for tool-use.
---

# Suno Music Generation

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The description ends with broad invocation language such as 'or any music generation task,' which can cause the skill to be selected for overly wide classes of prompts. Overbroad routing increases the chance of unintended external API use, unnecessary billing, and sending user content to a third-party service when a narrower local capability might have sufficed.

Content

No source excerpt is available for this finding.

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 28)May include surrounding context.

Quick Start

bash
curl -X POST https://api.acedata.cloud/suno/audios \
  -H "Authorization: Bearer $ACEDATACLOUD_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"prompt": "a happy pop song about coding", "model": "chirp-v6", "async": true}'

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 28)May include surrounding context.

Quick Start

bash
curl -X POST https://api.acedata.cloud/suno/audios \
  -H "Authorization: Bearer $ACEDATACLOUD_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"prompt": "a happy pop song about coding", "model": "chirp-v6", "async": true}'

Rp1

Low
Category
MCP Rug Pull
Confidence
60% confidence
Finding

pip install without ==version installs the latest release, which could include malicious changes.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.