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Security audit

Create SubAgent

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed helper for creating and managing user-directed SubAgents, with no bundled executable code or hidden behavior found.

Install only if you want an assistant that can help spawn and manage SubAgents. Review the generated SubAgent task, mode, cleanup setting, and allowed tools before approving creation, especially for agents that can read/write files, run code, or perform web research. Non-Chinese-speaking users may need translation because the skill documentation is Chinese-only.

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
  • 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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (2)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The manifest description is entirely in Chinese and presents the skill as operating in that language by default, with no indication that users may choose another language. This creates a locale/language policy concern because the skill appears to require a specific language without opt-in or documented justification.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

All visible usage instructions, examples, and operational guidance are written only in Chinese, and the file does not offer an alternative language or explain that the skill is region-specific. For an organizational language/locale policy review, this reads as forcing a specific language rather than letting the user choose.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.