Bug Bounty Tools (2026)
The web hacking stack, explained
Quick answer
The basic bug bounty stack in 2026 is free: a proxy (Burp Suite Community or Caido), a fuzzer (ffuf + SecLists), recon (subfinder + httpx) and a scanner (nuclei). For exploitation, sqlmap and callback servers for blind bugs. Here's what each one is for and how they fit together.
Full guide on the blog
Bug bounty tools 2026: the full stack, step by step
Proxy & interception
The heart of web hacking: intercept, modify and replay HTTP requests.
The reference proxy. Intercept traffic, replay requests (Repeater), fuzz (Intruder) and extend it via the BApp Store. Community is free; Pro adds the active scanner.
A modern Burp alternative written in Rust: fast, lightweight and with a clean workflow. Gaining traction among hunters in 2026.
OWASP's open-source proxy. A solid free option to start intercepting and scanning at no cost.
Reconnaissance (recon)
Before attacking, map the surface: subdomains, live hosts, historical URLs.
Blazing-fast passive subdomain enumeration using dozens of sources. The first step of almost any recon.
Deep attack-surface mapping (subdomains, ASN, DNS). More thorough and slower than subfinder; they complement each other.
Probes which hosts are alive, with what technology and status code. Filters thousands of subdomains down to the ones worth looking at.
Pull historical URLs from the Wayback Machine and other sources: old parameters, forgotten endpoints and juicy paths.
Search engines for devices and services exposed on the internet. Useful for finding off-radar assets within scope.
Fuzzing & content discovery
Discover hidden paths, parameters and files with smart brute forcing.
Ultra-fast web fuzzer in Go: directories, VHOST, GET/POST parameters. Filters by code, size and words to separate signal from noise.
Directory and file brute forcing. Classic and simple; great for uncovering forgotten panels and backups.
Not a tool but THE collection of wordlists (paths, parameters, payloads). It's the fuel for every fuzzer above.
Scanning & automation
Automate the detection of known flaws and misconfigurations at scale.
Scanner based on community YAML templates. Detects CVEs, exposures and misconfigs across thousands of hosts; you can write your own templates.
The port scanner par excellence. Discovers services, versions and, with NSE, runs security checks.
Exploitation
Once you've found the flaw, these tools help you prove impact.
Automates the detection and exploitation of SQL injection: database dumps, file reads and even RCE on some engines.
Callback servers to detect blind vulnerabilities (Blind XSS, SSRF, OOB SQLi) that give no direct response.
A callback platform for Blind XSS: it alerts you when your payload fires in a private panel you can't see.
Frequently asked questions
What tools do I need to start in bug bounty?
You start with very little: a proxy (Burp Suite Community or Caido), a fuzzer (ffuf) with the SecLists wordlists, and some recon (subfinder + httpx). All of that is free. As you progress you'll add nuclei to automate, sqlmap for SQL injection and callback servers for blind bugs.
Burp Suite or Caido?
Burp Suite is the industry standard, with more extensions and documentation; its Community edition is free and enough to start. Caido is a modern Rust alternative, faster and lighter, that many hunters are adopting in 2026. Try both and keep the workflow you're most comfortable with.
Are these tools legal?
The tools themselves are legal: they're the same ones security teams use. What matters is where you use them. You should only point them at systems that authorize you: a bug bounty program within its scope, a contracted pentest, or labs and environments built for practice like BBLabs'.
Do I need to pay for bug bounty tools?
No. Most of the stack is open source and free (ffuf, nuclei, subfinder, sqlmap, ZAP, SecLists). Burp Suite has a free Community version; only its Pro edition is paid. You can do serious bug bounty with 100% free tools.
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