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Security audit

ym-game-balance-calc

Security checks for vulnerabilities and agentic risk

Overview

This skill is a local game-balance calculator with no evidence of hidden data access, persistence, networking, or destructive behavior.

Installers should know this is a Chinese-language offline calculator for game-design numbers. Use it when you want concrete DPS, leveling, or economy calculations, and ask for clarification if a request only mentions balance design generally without numeric inputs.

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
  • 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
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (3)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The trigger phrase "数值平衡" is broad enough to match ordinary game-design discussion that may not actually request execution of this skill. This can cause accidental or premature invocation, leading the agent to apply numeric-analysis behavior in contexts where the user only intended conceptual discussion, but the skill itself is otherwise constrained to local computation and does not expose high-risk capabilities.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
90% confidence
Finding

Examples like "DPS 算一下" and "数值平衡" are open-ended and can over-trigger the skill during general discussion, especially because they lack constraints requiring concrete parameters or a request for calculation. The danger is mainly misrouting and unintended skill activation rather than code execution or data exfiltration, since the skill explicitly limits itself to built-in formulas and offline local analysis.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
95% confidence
Finding

The file’s natural-language interface, examples, help text, and runtime output are all written in Chinese, and the header indicates UTF-8 output is enforced for that locale context. There is no option for users to choose another language or any documented justification that the tool is intentionally region-specific.

Content

No source excerpt is available for this finding.