web-security

Detect Java deserialization, Spring Boot Actuator, Apache Shiro, and Fastjson vulnerabilities.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/hanc00l/nemo-agent --skill web-security-hanc00l
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: web-security
Source: https://github.com/hanc00l/nemo-agent/tree/main/claude-code/.claude/skills/pentest/web
Command: npx skills add https://github.com/hanc00l/nemo-agent --skill web-security-hanc00l

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It helps security teams quickly identify and assess critical web application flaws in enterprise environments, reducing manual effort and missed vulnerabilities.

Core Features & Use Cases

  • Comprehensive Scans: Detect Java deserialization, Spring Boot Actuator, Apache Shiro, Fastjson, and common OA system weaknesses.
  • Exploitation Guidance: Provides payload examples and tool commands for responsible penetration testing.
  • Use Case: A red team can run this skill against a target's web portal to enumerate high‑risk vulnerabilities before exploiting them.

Quick Start

Run the web-security skill to scan target.example.com for common enterprise web vulnerabilities.

Frequently Asked Questions about web-security

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect Java deserialization vulnerabilities during enterprise web pentesting?

To detect Java deserialization vulnerabilities during enterprise web pentesting, scan the target application URL for common flaws. This skill identifies weaknesses in Shiro, Fastjson, and popular OA platforms, optionally using a DNSLog service to verify payload execution.

Can I scan a Spring Boot Actuator for web vulnerabilities automatically?

Yes, you can scan a Spring Boot Actuator for web vulnerabilities automatically. The skill detects Actuator misconfigurations alongside Apache Shiro and Fastjson flaws by analyzing the target URL and providing exploitation guidance for responsible penetration testing.

What is the best way to enumerate OA system weaknesses in a red team engagement?

The best way to enumerate OA system weaknesses in a red team engagement is running an automated detection skill against the target web portal. It quickly identifies critical flaws in popular OA platforms and provides payload examples to reduce manual effort.

Do I need a DNSLog service to verify Apache Shiro exploit payloads?

You do not strictly need a DNSLog service to detect Apache Shiro vulnerabilities, but it is an optional input for payload verification. Providing a DNSLog service allows you to confirm remote code execution or deserialization callbacks during your penetration testing scan.

How to get exploitation guidance for Fastjson vulnerabilities after scanning?

To get exploitation guidance for Fastjson vulnerabilities after scanning, run the web vulnerability detection skill against your target URL. It automatically provides payload examples and tool commands for responsible penetration testing upon identifying Fastjson weaknesses.