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Security audit

安全权限工程师 ACL与后台安全

Security checks for vulnerabilities and agentic risk

Overview

This skill is a narrow ACL/admin-permission guidance skill with no executable code, network behavior, persistence, or hidden data handling.

Installers should understand that this skill is meant to guide changes to administrative permission wiring, so its output should be reviewed carefully and validated with both allowed and denied admin-role tests before use in production.

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
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • 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 (4)

Tp2

High
Category
MCP Tool Poisoning
Confidence
85% confidence
Finding

Mixing characters from multiple Unicode scripts in a single identifier is a common technique to create visually ambiguous tool names.

Content

No source excerpt is available for this finding.

Skill Enumeration

Medium
Category
Agent Snooping
Confidence
80% confidence
Finding

Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.

Content

Scanner excerpt · SKILL.md (reported line 20)May include surrounding context.

md
- `AI-ENTRY.md`
- `CLAUDE.md`
- `dev/ai/skills/acl-permission-system/SKILL.md`
- `dev/ai/skills/module-development/SKILL.md`
- `dev/ai/skills/config-and-env/SKILL.md`

Skill Enumeration

Medium
Category
Agent Snooping
Confidence
80% confidence
Finding

Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.

Content

Scanner excerpt · SKILL.md (reported line 21)May include surrounding context.

md
- `AI-ENTRY.md`
- `CLAUDE.md`
- `dev/ai/skills/acl-permission-system/SKILL.md`
- `dev/ai/skills/module-development/SKILL.md`
- `dev/ai/skills/config-and-env/SKILL.md`

# Responsibilities

Skill Enumeration

Medium
Category
Agent Snooping
Confidence
80% confidence
Finding

Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.

Content

Scanner excerpt · SKILL.md (reported line 22)May include surrounding context.

md
- `CLAUDE.md`
- `dev/ai/skills/acl-permission-system/SKILL.md`
- `dev/ai/skills/module-development/SKILL.md`
- `dev/ai/skills/config-and-env/SKILL.md`

# Responsibilities

Static analysis

No suspicious patterns detected.