WS-Attacker vs liffier: 2026 Comparison
WS-Attacker is a free penetration testing tool. liffier 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 focusing on SOAP and REST API security will get the most from WS-Attacker because its modular attack library lets you chain custom payloads against web service implementations that standard HTTP proxies miss. The framework supports 15+ distinct attack types including XML signature wrapping and WSDL manipulation, and its 491 GitHub stars reflect active community maintenance. Skip it if your team needs a commercial support contract or a clickable UI; this is a command-line framework that rewards practitioners who read the documentation and write their own modules.
Penetration testers doing manual path traversal testing will appreciate liffier for its speed; the tool automates the tedious work of incrementally testing ../ sequences across endpoints, cutting reconnaissance time on misconfigured directory structures. At 11 GitHub stars and zero dependencies, it's lightweight enough to slip into any engagement workflow without setup friction. Skip this if you need automation across multiple vulnerability classes or reporting integration; liffier does one thing and makes no apologies for it.
