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Security audit

Document Handler

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward document extraction and conversion helper with no hidden network, persistence, or privilege behavior found.

Install only if you are comfortable with the agent reading the document files you explicitly provide. Be careful with sensitive PDFs, Office files, and metadata because the skill is designed to extract and surface their contents.

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 trigger description is very broad: it activates on any mention of document files, file paths with common extensions, or general requests to read/convert documents. This can cause the skill to engage in many ordinary conversations or tasks where document handling is incidental, increasing the chance of unintended file access, unnecessary tool invocation, or unsafe processing of untrusted documents.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.