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Security audit

Volcengine Audio TTS

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward Volcengine text-to-speech helper with no hidden execution, persistence, or unrelated access in the inspected artifacts.

Installers should be aware that TTS requests may transmit the text they provide to Volcengine. Avoid sending confidential text unless the Volcengine account, region, retention, and privacy terms meet your needs.

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
  • System Prompt LeakageDirect Leakage, Indirect Extraction, Tool-Based Exfiltration
  • 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)

Direct Prompt Extraction

High
Category
System Prompt Leakage
Confidence
85% confidence
Finding

Skill contains instructions that could directly expose system prompts, internal rules, or hidden instructions to users or external parties.

Content

Scanner excerpt · SKILL.md (reported line 17)May include surrounding context.

md
3. Execute TTS request and poll if async.
4. Return audio URL/path and reproducible parameters.

## Output Rules

- Prefer stable audio formats (`mp3` or `wav`).
- Keep text chunks short for long passages.

Static analysis

No suspicious patterns detected.