# CORSy vs RoboShadow OWASP ZAP Vulnerability Scanner: side-by-side comparison (2026)

[CORSy](https://cybersectools.com/tools/corsy) is a free [security scanning](https://cybersectools.com/categories/security-scanning) solution. [RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/tools/roboshadow-owasp-zap-vulnerability-scanner) is a commercial [security scanning](https://cybersectools.com/categories/security-scanning) solution by [RoboShadow](https://cybersectools.com/companies/roboshadow). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | CORSy | RoboShadow OWASP ZAP Vulnerability Scanner |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Security Scanning | Security Scanning |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | Startup, SMB, Mid-Market | SMB, Mid-Market, Enterprise |
| GitHub stars | 1,465 | – |
| Last commit | Nov 2021 | – |
| Company | – | RoboShadow |
| Headquarters | – | – |

### Use cases and capabilities

| | CORSy | RoboShadow OWASP ZAP Vulnerability Scanner |
|---|---|---|
| Scanner | Yes | – |
| Misconfiguration | Yes | – |
| Network Scanning | – | Yes |
| Patch Management | – | Yes |
| XSS | – | Yes |

### Core features

**CORSy**

No features listed.

**RoboShadow OWASP ZAP Vulnerability Scanner**

10 features listed. Sign in on the page to see them.

### Integrations

**CORSy**

No integrations listed.

**RoboShadow OWASP ZAP Vulnerability Scanner**

11 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [CORSy](https://cybersectools.com/tools/corsy) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.
- [RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/tools/roboshadow-owasp-zap-vulnerability-scanner) fits if you need both cloud and on-premises options and you are an enterprise.

## CORSy vs RoboShadow OWASP ZAP Vulnerability Scanner FAQ

Common questions when comparing CORSy vs RoboShadow OWASP ZAP Vulnerability Scanner for security scanning.

### What is the difference between CORSy and RoboShadow OWASP ZAP Vulnerability Scanner?

**CORSy**: A Python-based command-line tool that scans websites for CORS misconfigurations by analyzing HTTP response headers to identify potential security vulnerabilities.

**RoboShadow OWASP ZAP Vulnerability Scanner**: Web app & network vulnerability scanner integrating OWASP ZAP, Shodan & Nmap. Built by RoboShadow.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes CORSy and RoboShadow OWASP ZAP Vulnerability Scanner?

**CORSy** is open-source with 1,465 GitHub stars. **RoboShadow OWASP ZAP Vulnerability Scanner** is made by RoboShadow. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is CORSy a good alternative to RoboShadow OWASP ZAP Vulnerability Scanner?

Often, yes. CORSy and RoboShadow OWASP ZAP Vulnerability Scanner are both Security Scanning products. Key differences: CORSy is Free while RoboShadow OWASP ZAP Vulnerability Scanner is Commercial, CORSy is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [CORSy vs Domain Verity](https://cybersectools.com/compare/corsy-vs-domain-verity)
- [CORSy vs CyberChecker](https://cybersectools.com/compare/corsy-vs-cyberchecker)
- [CORSy vs Intruder XSS Scanner](https://cybersectools.com/compare/corsy-vs-intruder-xss-scanner)
- [RoboShadow OWASP ZAP Vulnerability Scanner vs Domain Verity](https://cybersectools.com/compare/domain-verity-vs-roboshadow-owasp-zap-vulnerability-scanner)
- [RoboShadow OWASP ZAP Vulnerability Scanner vs CyberChecker](https://cybersectools.com/compare/cyberchecker-vs-roboshadow-owasp-zap-vulnerability-scanner)
- [RoboShadow OWASP ZAP Vulnerability Scanner vs Intruder XSS Scanner](https://cybersectools.com/compare/intruder-xss-scanner-vs-roboshadow-owasp-zap-vulnerability-scanner)

## Alternatives to each

- [See all CORSy alternatives](https://cybersectools.com/alternatives/corsy)
- [See all RoboShadow OWASP ZAP Vulnerability Scanner alternatives](https://cybersectools.com/alternatives/roboshadow-owasp-zap-vulnerability-scanner)

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Source: https://cybersectools.com/compare/corsy-vs-roboshadow-owasp-zap-vulnerability-scanner

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/corsy.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on CORSy and RoboShadow OWASP ZAP Vulnerability Scanner: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md