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Security audit

Feishu Audio Message

Security checks across malware telemetry and agentic risk

Overview

This skill openly sends user-provided or generated audio to Feishu using configured Feishu credentials, which matches its stated purpose.

Install only if you are comfortable letting this skill use your configured Feishu app credentials to upload audio and send messages. Verify the target chat ID before sending, and test direct-message behavior because the documentation mixes chat_id and open_id guidance.

SkillSpector

By NVIDIA
Vulnerability Patterns
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (2)

Lp3

Medium
Category
MCP Least Privilege
Confidence
95% confidence
Finding
The skill documents shell-based execution and access to Feishu credentials, but it does not declare any permissions. That mismatch can bypass user or platform expectations about what the skill is allowed to do, increasing the risk of unintended command execution or data transmission under insufficient governance.

Vague Triggers

Medium
Confidence
80% confidence
Finding
The activation language is broad enough that the skill may trigger on common Feishu or TTS-related requests without strong intent confirmation. Because this skill sends externally delivered audio messages using stored credentials, over-broad invocation increases the chance of unintended outbound communication to the wrong recipient or in the wrong context.

VirusTotal

66/66 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.