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Security audit

ym-report-slide-gen

Security checks for vulnerabilities and agentic risk

Overview

This skill is a local Chinese report-to-HTML slide generator with disclosed file input/output and no evidence of network access, credential use, persistence, or hidden behavior.

Install this if you want a Chinese-language Markdown-to-HTML report slide generator. Be aware it creates or overwrites a local output file, so choose the working directory and any --out path deliberately before running it.

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 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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (3)

Lp3

Medium
Category
MCP Least Privilege
Confidence
92% confidence
Finding
The skill describes writing an output file (`report-deck.html`) but does not declare any explicit tool scope such as `permissions` or `allowed-tools`. Even though the documented behavior is limited to generating a local HTML report, the absence of scoped permissions weakens enforcement and can allow broader-than-intended file write behavior if the skill implementation changes or is interpreted loosely by the runtime.

Natural-Language Policy Violations

Medium
Confidence
96% confidence
Finding
The file description, CLI help text, UI labels, and generated HTML language are all fixed to Chinese, and the template explicitly sets lang="zh-CN". This is a natural-language locale constraint that applies to all users without opt-in, which matches the policy-violation category for forced language or locale.

Natural-Language Policy Violations

Medium
Confidence
94% confidence
Finding
This markdown template is entirely written as a Chinese-only reporting format, including headings, field labels, examples, and instructions, with no indication that the user may choose another language. Under the stated policy, forcing a specific language without user opt-in is a natural-language policy violation unless the locale restriction is explicitly justified.

Static analysis

No suspicious patterns detected.