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Security audit

Cue 深度研究（通用版）

Security checks for vulnerabilities and agentic risk

Overview

This research skill needs review because it promises not to process personal data while advertising searches of executives’ litigation, penalties, and ownership records.

Clarify the scope of person-related research before installing, and treat executive and litigation records as personal information despite the description. Keep queries and uploaded style documents non-sensitive, configure the API key locally, and review the downloaded runner before execution. The runner version is not pinned.

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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • 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
Findings (4)

External Script Fetching

High
Category
Supply Chain
Confidence
90% confidence
Finding

Remote code is downloaded and executed. This bypasses code review and could introduce malicious code.

Content

Scanner excerpt · SKILL.md (reported line 229)May include surrounding context.

bash
echo "=== 1/3 API Key ===" && [ -f "$HOME/.cue/config.json" ] && echo "已配置" || echo "未配置！"
echo "=== 2/3 Cue 服务 ===" && curl -sS --max-time 10 "https://cuecue.cn/api/health"
echo "=== 3/3 搭子 ===" && curl -sS --max-time 10 "https://cuecue.cn/api/playbook" | python3 -c "import sys,json;data=json.load(sys.stdin).get('data',{});scenes=data.get('scenes',[]) if data else [];total=sum(len(s.get('buddies',[])) for s in scenes);print(f'可用:{total}个搭子') if scenes else print('暂不可用')"

| 检查 | 预期 | 异常处理 |

The advertised executive-risk research capability includes personal data despite the manifest's explicit exclusion.

Medium
Category
Excessive Agency
Confidence
91% confidence
Finding

The skill excludes personal-data processing in its description but advertises executive histories, personal litigation, penalties, and beneficial ownership research. Public availability does not make information non-personal, so this inconsistency could lead an agent to retrieve and aggregate personal information while incorrectly assuring users that no personal data is processed.

Content

No source excerpt is available for this finding.

Sudo/Root Execution

Medium
Category
Privilege Escalation
Confidence
70% confidence
Finding

Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.

Content

Scanner excerpt · SKILL.md (reported line 205)May include surrounding context.

md
| 目标格式 | 依赖 | macOS | Ubuntu |
|----------|------|-------|--------|
| Word (.docx) | pandoc | `brew install pandoc` | `sudo apt install pandoc` |
| PDF (.pdf) | pandoc + LaTeX | `brew install --cask basictex` | `sudo apt install texlive-xetex` |

---

Sudo/Root Execution

Medium
Category
Privilege Escalation
Confidence
70% confidence
Finding

Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.

Content

Scanner excerpt · SKILL.md (reported line 206)May include surrounding context.

md
| 目标格式 | 依赖 | macOS | Ubuntu |
|----------|------|-------|--------|
| Word (.docx) | pandoc | `brew install pandoc` | `sudo apt install pandoc` |
| PDF (.pdf) | pandoc + LaTeX | `brew install --cask basictex` | `sudo apt install texlive-xetex` |

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Static analysis

No suspicious patterns detected.