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Security audit

Brainstorm

Security checks for vulnerabilities and agentic risk

Overview

This is a simple brainstorming prompt skill with no code execution, credential access, data access, persistence, or hidden behavior.

Installers should expect this skill to make the agent more proactive during brainstorming. If you prefer the agent to ask before ideating or to avoid inferred modes, review or tighten the activation wording, but no security-sensitive behavior was found.

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
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 (4)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
90% confidence
Finding

The skill says 'When user asks for ideas, generate immediately' and relies on missing context being clarified later, which is a broad activation condition for a markdown skill. While examples are provided later, the file does not clearly define exclusion conditions or narrow trigger scope, so common phrases could unintentionally invoke this skill.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The phrase "Detect from context" creates a broad, implicit activation condition that can cause the skill to engage without a clear user request. In a brainstorming skill this is not directly dangerous, but it can lead to unintended invocation, mode confusion, and reduced user control over how the agent responds.

Content

No source excerpt is available for this finding.

Vague Triggers

Low
Category
Not specified by scanner
Confidence
95% confidence
Finding

The instruction "Use when stuck or need more variety" is broad and subjective, making it unclear when this skill should activate versus when it should not. Without clearer scope or exclusion conditions, the prompt set could be invoked in many ordinary situations.

Content

No source excerpt is available for this finding.

Vague Triggers

Low
Category
Not specified by scanner
Confidence
93% confidence
Finding

The phrase "When user seems stuck, offer" relies on an ambiguous assessment of the user's state and does not specify concrete signals or boundaries. This can cause unintended invocation because many normal pauses or short requests could be interpreted as being stuck.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.