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Security audit

App Builder

Security checks for vulnerabilities and agentic risk

Overview

This app-building skill is broad, but its contents are disclosed, purpose-aligned, and include user confirmation checkpoints before significant build work.

Before installing, expect this skill to guide an agent through project scaffolding, code changes, dependency installation, and possible deployment. Use it for intentional app-building tasks, and confirm any external service setup, payment/auth integration, package installation, or deployment before allowing the agent to proceed.

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 (1)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The skill description is activated by very broad phrases like building a new application, adding features, scaffolding, or planning, which can match many unrelated user requests. Over-broad routing can cause this powerful code-generation/deployment skill to be invoked in contexts where it is unnecessary, increasing the chance of unsafe automation, unintended code changes, or deployment actions without sufficiently specific user intent.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.