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Security audit

CMIC Skill Scanner

Security checks for vulnerabilities and agentic risk

Overview

This is a documentation-only wrapper for a local skill scanner, with its file access, optional network use, and external-tool execution disclosed and aligned with security scanning.

Before running it, build from source or verify the published checksum for any downloaded binary. Prefer `--engine native` if you do not want a locally resolved external scanner to run, scan only directories you intend to inspect, and use `--use-llm` or `--upload-url` only with endpoints you trust.

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
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Credential Access

High
Category
Privilege Escalation
Confidence
70% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · SKILL.md (reported line 54)May include surrounding context.

md
- CMIC does NOT upload reports unless you configure `--upload-url`
- CMIC does NOT configure an LLM endpoint unless you set `--use-llm`
- `auto` may execute a locally resolved external scanner; use `--engine native` to prevent that
- Does NOT access credentials or SSH configs as scan targets unless they are under the path you explicitly scan

## 工作流程

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
84% confidence
Finding

The markdown says to use this skill whenever the user wants a quick security check before installing a local skill, archive, or release bundle, but it does not define concrete trigger phrases, exclusions, or narrow activation boundaries. This broad natural-language condition could overlap with many general security-review requests and cause unintended invocation.

Content

No source excerpt is available for this finding.