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Security audit

elevenlabs-tts

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward ElevenLabs text-to-speech helper that discloses its external API use and local audio output.

Install this only if you are comfortable sending the text you synthesize, along with your ElevenLabs API key in the request header, to ElevenLabs. Review ElevenLabs' data and billing terms for your use case, especially for private, regulated, or customer-provided text.

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)

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 26)May include surrounding context.

Text-to-Speech

text
POST https://api.elevenlabs.io/v1/text-to-speech/{voice_id}

Request Body:

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 60)May include surrounding context.

Text-to-Speech

text
POST https://api.elevenlabs.io/v1/text-to-speech/{voice_id}

Request Body:

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% 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 76)May include surrounding context.

md
}
    }

    response = requests.post(url, json=data, headers=headers)

    if response.status_code == 200:
        with open(output_path, "wb") as f:

Static analysis

No suspicious patterns detected.