requests-racer vs SSTImap: 2026 Comparison
requests-racer is a free penetration testing tool. SSTImap is a free penetration testing tool. Compare features, ratings, integrations, and community reviews side by side to find the best penetration testing fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Penetration testers and security engineers who need to validate race condition vulnerabilities in their own applications should reach for requests-racer for its simplicity; it abstracts away the threading boilerplate that makes concurrent request testing tedious in raw Python. At 160 GitHub stars with active exploitation examples, it's gained real traction among practitioners who've tired of hand-rolling timing attacks. Skip this if your team needs a full web app scanner or automated vulnerability discovery; requests-racer is a focused exploit library, not a vulnerability scanner.
Penetration testers and AppSec engineers who need to systematically hunt Server-Side Template Injection vulnerabilities will find SSTImap invaluable because it automates what would otherwise be tedious manual testing across multiple template engines and injection points. The 1,173 GitHub stars and free pricing mean it's already battle-tested in real engagements, with no licensing friction to slow adoption across your team. Skip this if you're looking for a commercial platform that bundles SSTI detection with broader web app scanning and incident response workflows; SSTImap is deliberately focused, command-line first, and expects you to own integration into your testing pipeline.
