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Security audit

Archiver — Streaming Archive Packaging

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward Node.js Archiver reference; its archive-writing and directory-packaging behavior matches its stated purpose, though users should choose paths carefully.

Install only if you want Codex guidance for Node.js archive creation. When using it, specify exact source paths and output paths, prefer explicit glob allowlists or ignore patterns, and review whether archives might include .git, .env, credentials, node_modules, or other private files.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The trigger words are broad enough to match common user requests like 'zip', 'package', or 'compress' without sufficient scoping, which can cause the skill to activate in unintended contexts. In an agent environment, this increases the chance that archiving behaviors are invoked on arbitrary user-specified files or directories, potentially leading to over-collection or unintended packaging of sensitive data.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The examples encourage writing archive files to disk and recursively packaging directories, but they do not prominently warn that these actions can include large or sensitive content and can affect the local filesystem. In a tool-using agent, this omission makes it easier for an operator or model to run examples against broad paths, accidentally archiving secrets, hidden files, or entire project trees including private material.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.