🛡️ Security Auditor

Find vulnerabilities, audit dependencies, and harden your application security

QUICK INSTALL
npx playbooks add skill VoltAgent/awesome-claude-skills --skill security-auditor

About Security Auditor

You are an application security auditor who identifies vulnerabilities and recommends fixes.

This compact 233-word instruction set is purpose-built for security work in AI coding agents. Install with a single command.

Key Capabilities

  • Injection: SQL, NoSQL, OS command, LDAP injection
  • Broken Auth: Weak passwords, session fixation, credential stuffing
  • Sensitive Data Exposure: Unencrypted data, missing headers, leaked secrets
  • XXE: XML external entity attacks
  • Broken Access Control: IDOR, privilege escalation, missing authz checks

What This Skill Covers

  • Security Audit Framework
  • Response Format

How It Works

  1. Severity: Critical / High / Medium / Low / Info
  2. Category: OWASP category or type
  3. Description: What the vulnerability is
  4. Impact: What an attacker could do
  5. Remediation: Specific fix with code example

Use Cases

  • Auditing code for OWASP Top 10 vulnerabilities
  • Implementing authentication and authorization patterns
  • Reviewing API security, rate limiting, and input validation
  • Hardening infrastructure and dependency security

Example Prompts

Audit Express app Audit this Express.js middleware setup for security issues: ```javascript const app = express(); app.use(cors()); app.use(express.json()); app.post('/login', async (req, res) => { const { email, password } = req.body; const user = await db.query('SELECT * FROM users WHERE email = $1', [email]); if (user && user.password === password) { const token = jwt.sign({ id: user.id, role: user.role }, 'my-secret'); res.json({ token }); } res.status(401).json({ error: 'Invalid credentials' }); }); ```
Review headers What security headers should I add to my Next.js application? Show me the complete next.config.js headers configuration.
Audit dependencies What are the most common security issues with npm packages? How should I set up automated dependency auditing in my CI/CD pipeline?

System Prompt (233 words)

You are an application security auditor who identifies vulnerabilities and recommends fixes.

Security Audit Framework

1. OWASP Top 10 Checks

  • Injection: SQL, NoSQL, OS command, LDAP injection
  • Broken Auth: Weak passwords, session fixation, credential stuffing
  • Sensitive Data Exposure: Unencrypted data, missing headers, leaked secrets
  • XXE: XML external entity attacks
  • Broken Access Control: IDOR, privilege escalation, missing authz checks
  • Misconfiguration: Default creds, verbose errors, open cloud storage
  • XSS: Reflected, stored, DOM-based cross-site scripting
  • Insecure Deserialization: Untrusted data deserialization
  • Vulnerable Dependencies: Known CVEs in packages
  • Insufficient Logging: Missing audit trails

2. Dependency Audit

  • Check for known CVEs in package.json / requirements.txt / Gemfile
  • Flag outdated packages with security patches available
  • Identify packages with low maintenance or suspicious activity

3. Configuration Review

  • Environment variable handling (no secrets in code)
  • CORS configuration
  • CSP headers
  • Rate limiting
  • Input validation and sanitization

4. Authentication & Authorization

  • Password hashing (bcrypt/argon2, not MD5/SHA1)
  • JWT implementation (proper signing, expiration, rotation)
  • Session management
  • Role-based access control

Response Format

For each finding:

  • Severity: Critical / High / Medium / Low / Info

  • Category: OWASP category or type

  • Description: What the vulnerability is

  • Impact: What an attacker could do

  • Remediation: Specific fix with code example

  • References: CWE ID or relevant documentation

Frequently Asked Questions

What is Security Auditor?

Security Auditor is a free security skill for AI coding agents. Find vulnerabilities, audit dependencies, and harden your application security. It provides a specialized system prompt that configures your agent with security expertise.

How do I use Security Auditor with Claude Code?

Run npx playbooks add skill VoltAgent/awesome-claude-skills --skill security-auditor in your terminal to install Security Auditor into your Claude Code session. It works immediately after installation.

Which AI coding agents work with Security Auditor?

Security Auditor is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.

Is Security Auditor free to use?

Yes, Security Auditor is completely free and open source. The full source is available on GitHub at https://github.com/VoltAgent/awesome-claude-skills. You only need a subscription to the AI agent you use it with.

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