Fuzzing/Fuzz testing
Fuzzing or fuzz testing is an automated software black box testing technique that evaluates the programโs reaction to providing invalid, unexpected, or random data as inputs to a computer program.
- GitHub: https://github.com/topics/fuzzing
- Wikipedia: https://en.wikipedia.org/wiki/Fuzzing
- Created by: Barton Miller
- Released: September 1988
- Related Topics: stress-testing, fault-injection, monkey-testing, random-testing, security-testing, test-automation, mutation-testing, cicd, black-box-testing,
- Aliases: fuzz-testing, api-fuzzing,
- Last updated: 2026-07-05 00:08:26 UTC
- JSON Representation
https://github.com/trailofbits/siderophile
Find the ideal fuzz targets in a Rust codebase
fuzzing program-analysis rust security-testing
Last synced: 06 Oct 2025
https://github.com/Ackee-Blockchain/trident
Rust-based framework to Fuzz Solana programs, designed to help you ship secure code.
anchor fuzz fuzz-testing fuzzer fuzzing rust solana
Last synced: 11 Dec 2025
https://github.com/profuzzbench/profuzzbench
ProFuzzBench - A Benchmark for Stateful Protocol Fuzzing
Last synced: 12 May 2025
https://github.com/rubilmax/foundry-gas-diff
๐ ๏ธ Easily track & compare gas costs estimated by Foundry on each of your Pull Requests!
action actions evm forge foundry fuzzing gas github optimization performance report solidity testing tracking
Last synced: 16 May 2025
https://github.com/Rubilmax/foundry-gas-diff
๐ ๏ธ Easily track & compare gas costs estimated by Foundry on each of your Pull Requests!
action actions evm forge foundry fuzzing gas github optimization performance report solidity testing tracking
Last synced: 13 May 2025
https://github.com/epi052/feroxfuzz
A structure-aware HTTP fuzzing library
fuzzing hacktoberfest http testing
Last synced: 05 Apr 2025
https://github.com/testsmt/yinyang
A fuzzing framework for SMT solvers
cvc4 fuzzing smt smt-lib smt-solver testing z3
Last synced: 14 Jan 2026
https://github.com/renatahodovan/fuzzinator
Fuzzinator Random Testing Framework
bughunting fuzzing fuzzing-framework hacktoberfest random-testing security test-automation
Last synced: 16 May 2025
https://github.com/zhangzhuosjtu/stochfuzz
Sound and Cost-effective Fuzzing of Stripped Binaries by Incremental and Stochastic Rewriting
Last synced: 20 Aug 2025
https://github.com/kazet/wpgarlic
A proof-of-concept WordPress plugin fuzzer
fuzzing security security-tools testing wordpress
Last synced: 25 Jan 2026
https://github.com/nescau-ufla/fuzzingtool
Software for fuzzing, used on web application pentestings.
bruteforce fuzzer fuzzing pentesting-tools python3 web web-fuzzer
Last synced: 05 Apr 2025
https://github.com/ZhangZhuoSJTU/StochFuzz
Sound and Cost-effective Fuzzing of Stripped Binaries by Incremental and Stochastic Rewriting
Last synced: 11 Jul 2025
https://github.com/microsoft/side-channel-fuzzer
Revizor - Hardware fuzzing for the age of speculation
fuzzing meltdown security side-channel spectre-vulnerability
Last synced: 20 Jan 2026
https://github.com/saeeddhqan/evine
Interactive CLI Web Crawler
cli crawler data-mining fuzzing go golang osint scraper web-crawler
Last synced: 12 Jan 2026
https://github.com/gehaxelt/phuzz
Modular & Open-Source Coverage-Guided Web Application Fuzzer for PHP
fuzzing fuzzing-paper php security security-tools
Last synced: 05 Oct 2025
https://github.com/trickest/mkpath
Make URL path combinations using a wordlist
bugbountytips directory-bruteforce enumeration fuzzing penetration-testing penetration-testing-tools pentesting pentesting-tools recon reconnaissance security webappsecurity
Last synced: 24 Dec 2025
https://github.com/0dayResearchLab/msFuzz
msFuzz is a coverage-guided fuzzer for Windows kernel drivers using Intel PT. It is constraint- and dependency-aware for efficient path exploration.
fuzz-testing fuzzer fuzzing kernel research security security-vulnerability windows windows-kernel windows-kernel-exploitation
Last synced: 04 Jun 2026
https://github.com/samsung/utopia
UT based automated fuzz driver generation
Last synced: 04 Apr 2025
https://github.com/shnatsel/libdiffuzz
Custom memory allocator that helps discover reads from uninitialized memory
fuzz-testing fuzzing memory-allocator sanitizer security security-audit security-testing security-tools
Last synced: 16 Mar 2025
https://github.com/michaelstott/crlf-injection-scanner
Command line tool for testing CRLF injection on a list of domains.
bugbounty cli crlf fuzzer fuzzing security-vulnerability
Last synced: 14 Apr 2025
https://github.com/Shnatsel/libdiffuzz
Custom memory allocator that helps discover reads from uninitialized memory
fuzz-testing fuzzing memory-allocator sanitizer security security-audit security-testing security-tools
Last synced: 02 Apr 2025
https://github.com/quarkslab/pastis
PASTIS: Collaborative Fuzzing Framework
fuzzing program-analysis symbolic-execution vulnerability-research
Last synced: 03 Feb 2026
https://github.com/k0retux/fuddly
Fuzzing and Data Manipulation Framework (for GNU/Linux)
data-manipulation framework fuzzing python security
Last synced: 20 Apr 2025
https://github.com/0xf4b1/bsod-kernel-fuzzing
BSOD: Binary-only Scalable fuzzing Of device Drivers
Last synced: 16 Mar 2025
https://github.com/galli-leo/emmutaler
A set of tools for fuzzing SecureROM. Managed to find and trigger checkm8.
Last synced: 08 Jan 2026
https://github.com/npryce/snodge
Randomly mutate JSON, XML, HTML forms, text and binary data for fuzz testing
binary forms fuzz-testing fuzzing javascript json jvm kotlin kotlin-library test-driven-development testing text xml
Last synced: 05 May 2025
https://github.com/yuawn/fuzzing
Fuzzing tutorial with easy-to-learn labs ๐
101 afl automation education fuzz-testing fuzzing instrumentation klee llvm security-testing securtiy symbolic-execution testing tutorial vulnerability
Last synced: 15 Aug 2025
https://github.com/softsec-kaist/eclipser
Grey-box Concolic Testing on Binary Code (ICSE '19)
concolic-testing fsharp fuzzer fuzzing testcase-generator
Last synced: 11 Apr 2025
https://github.com/elceef/subzuf
a smart DNS response-guided subdomain fuzzer
dns fuzzing subdomain-enumeration
Last synced: 07 May 2025
https://github.com/sslab-gatech/archeap
ArcHeap: Automatic Techniques to Systematically Discover New Heap Exploitation Primitives
Last synced: 06 Apr 2025
https://github.com/softsec-kaist/smartian
Smartian: Enhancing Smart Contract Fuzzing with Static and Dynamic Data-Flow Analyses (ASE '21)
fsharp fuzzer fuzzing smart-contract-testing static-analyzer
Last synced: 05 Apr 2025
https://github.com/go-air/gini
A fast SAT solver
artificial-intelligence boolean-formulas circuit-sat concurrent dependencies fuzzing logic-circuit logic-programming resolution sat-solver testing verification
Last synced: 16 Jan 2026
https://github.com/SoftSec-KAIST/Eclipser
Grey-box Concolic Testing on Binary Code (ICSE '19)
concolic-testing fsharp fuzzer fuzzing testcase-generator
Last synced: 19 Apr 2025
https://github.com/epi052/fuzzing-101-solutions
Companion repository to the Fuzzing101 with LibAFL series of blog posts.
fuzzing hacktoberfest libafl rust
Last synced: 05 Apr 2025
https://github.com/tno-s3/wuppiefuzz
A coverage-guided REST API fuzzer developed on top of LibAFL
api-fuzzer fuzzer fuzzing openapi rest-api-test
Last synced: 16 Jan 2026
https://github.com/devdacian/solidity-fuzzing-comparison
A comparison of solidity fuzzing tools Foundry, Echidna & Medusa
echidna fuzz-testing fuzz-testing-foundry fuzzing smart-contracts solidity
Last synced: 26 Oct 2025
https://github.com/quarkslab/samsung-trustzone-research
Reverse-engineering tools and exploits for Samsung's implementation of TrustZone
bindings emulation exploitation fuzzing kinibi reverse-engineering samsung tooling trustzone
Last synced: 03 Feb 2026
https://github.com/ksharinarayanan/SourceWolf
Amazingly fast response crawler to find juicy stuff in the source code! ๐๐ฅ
automation broken-link-hijacking bugbounty fuzzing osint reconnaissance wordlist
Last synced: 20 Apr 2025
https://github.com/MichaelStott/CRLF-Injection-Scanner
Command line tool for testing CRLF injection on a list of domains.
bugbounty cli crlf fuzzer fuzzing security-vulnerability
Last synced: 13 Mar 2025
https://github.com/andresriancho/websocket-fuzzer
HTML5 WebSocket message fuzzer
appsec fuzzing html5 websocket
Last synced: 10 Apr 2025
https://github.com/eth-sri/ilf
AI based fuzzer based on imitation learning
blockchain fuzzing imitation-learning machine-learning smart-contracts symbolic-execution testing
Last synced: 23 Jul 2025
https://github.com/0xricksanchez/fisy-fuzz
This is the full file system fuzzing framework that I presented at the Hack in the Box 2020 Lockdown Edition conference in April.
filesystem freebsd fuzzer fuzzing kernel kernel-panic kernels netbsd openbsd panic security-tools
Last synced: 28 Oct 2025
https://github.com/YasserGersy/cazador_unr
Hacking tools
automation bugbounty bugcrowd bughunting csrf directory-lister dns fuzzing hackerone hacking http information-gathering-tools owasp poc pocgenerator rce sqli subdomains tcp xss
Last synced: 11 Jul 2025
https://github.com/0xkayala/paramspider
Mining URLs from dark corners of Web Archives for bug hunting/fuzzing/further probing
Last synced: 28 Oct 2025
https://github.com/aflplusplus/afl-snapshot-lkm
A Linux Kernel Module that implements a fast snapshot mechanism for fuzzing.
Last synced: 26 Jul 2025
https://github.com/omar2535/graphqler
๐A cutting edge context aware GraphQL API fuzzing tool!
api api-testing-framework appsec automated-testing cybersecurity fuzzing graphql pentesting
Last synced: 09 Apr 2025
https://github.com/rootup/personalstuff
Upload files done during my research.
afl-fuzz fuzzing inputzero tcpdump telegram vulnerabilities
Last synced: 05 Apr 2025
https://github.com/refIekt/reflekt
Reflective testing.
fuzzing generative reflection reflective-testing reflekt testing
Last synced: 16 Jul 2025
https://github.com/ise-uiuc/nnsmith
Automatic DNN generation for fuzzing and more
compiler deep-learning fuzzing machine-learning pytorch tensorflow
Last synced: 12 Apr 2025
https://github.com/omar2535/GraphQLer
๐A cutting edge context aware GraphQL API fuzzing tool!
api api-testing-framework appsec automated-testing cybersecurity fuzzing graphql pentesting
Last synced: 27 Sep 2025
https://github.com/agroce/afl-compiler-fuzzer
Variation of american fuzzy lop for testing compilers
afl afl-fuzz compiler-testing fuzzing fuzzing-compilers
Last synced: 25 Jun 2025
https://github.com/microsoft/sca-fuzzer
Revizor - a fuzzer to search for microarchitectural leaks in CPUs
fuzzing meltdown security side-channel spectre-vulnerability
Last synced: 12 Apr 2025
https://github.com/FuzzingLabs/cairo-fuzzer
Cairo/Starknet smart contract fuzzer
cairo cairo-lang fuzzer fuzzing starknet
Last synced: 07 May 2025
https://github.com/hexhive/fuzzan
FuZZan: Efficient Sanitizer Metadata Design for Fuzzing
addresssanitizer fuzzing sanitizer
Last synced: 16 Mar 2026
https://github.com/seemoo-lab/virtfuzz
VirtFuzz is a Linux Kernel Fuzzer that uses VirtIO to provide inputs into the kernels subsystem. It is built with LibAFL.
Last synced: 12 Apr 2025
https://github.com/HexHive/FuZZan
FuZZan: Efficient Sanitizer Metadata Design for Fuzzing
addresssanitizer fuzzing sanitizer
Last synced: 11 Jul 2025
https://github.com/philips-software/amp-devcontainer
๐amp-devcontainer is a batteries-included devcontainer useable for modern, embedded, software development
clang-format clang-tidy clangd cmake cpp devcontainer embedded fuzzing mutation-testing rust
Last synced: 16 Jan 2026
https://github.com/mozillasecurity/octo
A fuzzing library in JavaScript. โจ
browser fuzzing fuzzing-framework generators library node random
Last synced: 01 Feb 2026
https://rust-fuzz.github.io/book/
๐ Guides and tutorials on how to fuzz Rust code
documentation fuzz-testing fuzzing rust
Last synced: 13 Mar 2025
https://github.com/rust-fuzz/book
๐ Guides and tutorials on how to fuzz Rust code
documentation fuzz-testing fuzzing rust
Last synced: 20 Aug 2025
https://github.com/phayes/sidefuzz
Fuzzer to automatically find side-channel (timing) vulnerabilities
constant-time cryptography dudect fuzzing rust side-channel wasm
Last synced: 02 Apr 2025
https://github.com/trailofbits/ruzzy
A coverage-guided fuzzer for pure Ruby code and Ruby C extensions
fuzzer fuzzing libfuzzer ruby ruby-extension ruby-gem
Last synced: 07 Mar 2026
https://github.com/Teebytes/TnT-Fuzzer
OpenAPI 2.0 (Swagger) fuzzer written in python. Basically TnT for your API.
fuzzer fuzzing json-api openapi pentesting python security swagger
Last synced: 10 May 2025
https://github.com/ehmicky/test-each
๐ค Repeat tests. Repeat tests. Repeat tests.
cartesian code-quality data-driven data-driven-testing data-driven-tests es6 foreach functional-programming fuzz fuzz-testing fuzzing iterable javascript library nodejs snapshot-testing test test-automation testing typescript
Last synced: 09 Apr 2025
https://github.com/cyberark/FuzzyAI
A powerful tool for automated LLM fuzzing. It is designed to help developers and security researchers identify and mitigate potential jailbreaks in their LLM APIs.
ai fuzzing jailbreak jailbreaking llm llms security
Last synced: 29 Sep 2025
https://github.com/thepudds/fzgen
Auto-gen Go fuzzing wrappers from normal code. Finds buggy call sequences, including data races & deadlocks. Supports rich signature types.
Last synced: 09 May 2025
https://github.com/cestef/rwalk
A blazingly fast web directory scanner written in Rust
Last synced: 16 May 2025
https://github.com/rust-fuzz/targets
๐ฏ A collection of fuzzing targets written in Rust.
Last synced: 07 May 2025
https://github.com/fandango-fuzzer/fandango
FANDANGO is a language-based fuzzer that leverages formal input specifications (grammars) combined with constraints to generate diverse sets of valid inputs for programs under test.
fuzzing grammar-based-fuzzing search-based-software-testing
Last synced: 26 Feb 2026
https://github.com/ispras/oss-sydr-fuzz
OSS-Sydr-Fuzz - OSS-Fuzz fork for hybrid fuzzing (fuzzer+DSE) open source software.
concolic concolic-execution dse dynamic-symbolic-execution fuzz-testing fuzzing hybrid-fuzzing libfuzzer oss-fuzz security stability sydr sydr-fuzz symbolic symbolic-execution vulnerabilities
Last synced: 10 Apr 2025
https://github.com/ymherklotz/verismith
Verilog Fuzzer to test the major simulators and sythesisers by generating random, valid Verilog.
Last synced: 12 Apr 2025
https://github.com/oxagast/ansvif
A Not So Very Intelligent Fuzzer: An advanced fuzzing framework designed to find vulnerabilities in C/C++ code.
exploit fuzz-testing fuzzer fuzzing pentesting quality-control vulnerability
Last synced: 19 Sep 2025
https://github.com/softsec-kaist/ntfuzz
NTFUZZ: Enabling Type-Aware Kernel Fuzzing on Windows with Static Binary Analysis (IEEE S&P '21)
b2r2 binary-analysis fsharp fuzzer fuzzing kernel-fuzzer windows-kernel
Last synced: 11 Apr 2025
https://github.com/siemens/fluffi
FLUFFI (Fully Localized Utility For Fuzzing Instantaneously) - A distributed evolutionary binary fuzzer for pentesters
Last synced: 09 Oct 2025
https://github.com/zac-hd/hypothesmith
Hypothesis strategies for generating Python programs, something like CSmith
Last synced: 07 Apr 2025
https://github.com/agroce/tstl
Template Scripting Testing Language tool: automated test generation for Python
afl afl-fuzz delta-debugging fault-localization fuzzers fuzzing property-based property-based-testing python random-testing swarm-testing test-automation test-generation test-reduction testing testing-tools tstl
Last synced: 07 Apr 2025
https://github.com/TNO-S3/WuppieFuzz
A coverage-guided REST API fuzzer developed on top of LibAFL
api-fuzzer fuzzer fuzzing openapi rest-api-test
Last synced: 18 Oct 2025
https://github.com/thehlopster/hfuzz
Wordlist for web fuzzing, made from a variety of reliable sources including: result from my pentests, git.rip, ChatGPT, Lex, nuclei templates, web-scanners, seclist, bo0m, and more.
bugbounty fuzz fuzzing hacking pentesting security web-fuzzing wordlist
Last synced: 21 Apr 2025
https://github.com/kostas-pa/LFITester
LFITester is a Python3 program that automates the detection and exploitation of Local File Inclusion (LFI) vulnerabilities on a server.
bugbounty crawler cybersecurity enumeration exploitation fuzzing hacking lfi lfi-detection lfi-exploitation lfi-vulnerability penetration-testing penetration-testing-tools pentest-tool pentesting python web-hacking webhacking
Last synced: 12 Jul 2025
https://github.com/boschresearch/gdbfuzz
Fuzzing Embedded Systems using Hardware Breakpoints
Last synced: 07 Oct 2025
https://github.com/zjuchenyuan/dockerized_fuzzing
Run fuzzing experiments in Docker
Last synced: 11 Jul 2025
https://github.com/crytic/optik
Optik is a set of symbolic execution tools that assist smart-contract fuzzers
echidna evm fuzzing maat security-tools smart-contracts symbolic-execution
Last synced: 30 Apr 2025
https://github.com/Agnoctopus/Tartiflette
Snapshot fuzzing with KVM and LibAFL
fuzzing kvm libafl virtualization
Last synced: 12 Jul 2025
https://github.com/riza/medusa
Fastest recursive HTTP fuzzer, like a Ferrari.
Last synced: 16 Feb 2026
https://github.com/bazel-contrib/rules_fuzzing
Bazel Starlark extensions for defining fuzz tests in Bazel projects
Last synced: 01 Mar 2025
https://github.com/ariary/cfuzz
Command line fuzzer and bruteforcer ๐ช wfuzz for command
bruteforce bruteforcing cli fuzzing hacking pentest security
Last synced: 10 Oct 2025
https://github.com/JavierOlmedo/UltimateCMSWordlists
๐ An ultimate collection wordlists of the best-known CMS
cms cms-framework dictionary drupal fuzz fuzzing hacking joomla security web-security web-security-research wordlist wordpress
Last synced: 11 Jul 2025