T08 · Insecure Dependencies
- Location
SKILL.md:7- Finding
Unnecessary Third-Party Dependency Expands Supply-Chain Attack Surface
- Content
View full analysis
Vulnerability Details
File Location:
SKILL.md, line 7
Vulnerability Type: Unnecessary third-party dependency
Risk Level: MediumVulnerable Code Snippet
yaml dependencies: "pip install watchdog"Technical Analysis
The Skill instructs users to install the third-party
watchdogpackage, but the embedded implementation neither imports nor uses it. The implementation relies exclusively on Python standard-library modules:python import os import re import json from pathlib import PathThe declared functionality is static file analysis and does not require filesystem event monitoring. Consequently, installing
watchdogexceeds the minimum dependencies needed for the Skill to operate.No evidence indicates that the legitimate
watchdogpackage is malicious. The security issue is the avoidable supply-chain exposure created by downloading and installing an unused package from a configured package index. Risks include compromise of the package distribution channel, dependency substitution through a malicious index configuration, or future compromise of a package or transitive dependency.Attack Path
- A user installs the Skill and follows its dependency declaration.
pip install watchdogcontacts the configured Python package index or mirror.- An attacker must first compromise the relevant package distribution path, configured mirror, package release, or dependency resolution environment.
pipdownloads and installs the attacker-controlled package artifact.- Malicious installation or subsequently imported package code executes with the privileges of the user performing the installation.
This path is conditional on an external supply-chain compromise; the audited project itself does not retrieve or execute a remote payload directly.
Impact Assessment
Successful exploitation could execute attacker-controlled code with the privileges of the account installing the dependency. Depending on those privile ...[truncated 331 chars]
- Remediation
View remediation
Remediation Suggestions
- Remove the unused dependency declaration:
yaml # Remove this line: dependencies: "pip install watchdog"-
Retain only dependencies demonstrably required by the implementation. The current scanner uses Python standard-library modules and does not require an external package.
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If filesystem event monitoring is added in the future and
watchdogbecomes necessary:- Pin it to an explicitly reviewed version.
- Use a trusted package index.
- Verify package hashes with a locked requirements file.
- Audit transitive dependencies.
- Document the functionality that requires the dependency.
- Install it in an isolated, least-privileged environment.
