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Security audit

Disk Usage Watcher

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward disk-space monitor with disclosed scheduled checks and alerting.

Install this if you want periodic disk-space alerts. Review the configured paths, thresholds, alert destination, and whether a 15-minute cron cadence is appropriate for your environment.

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
94% confidence
Finding

The skill can be invoked both directly and automatically via cron, and its example prompts are broad enough to match common monitoring-related requests. This increases the chance of unintended activation, which could trigger repeated command execution and alert generation without explicit user intent.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.