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Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.
An open source trusted cloud native registry project that stores, signs, and scans content.
Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.
Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.
Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.
The ZAP by Checkmarx Core project
一款内网综合扫描工具，方便一键自动化、全方位漏扫扫描。(An intranet comprehensive scanning tool, enabling one-click automated, all-round vulnerability scanning)
Agent-less vulnerability scanner for Linux, FreeBSD, Container, WordPress, Programming language libraries, Network devices
Kubescape is an open-source Kubernetes security platform for your IDE, CI/CD pipelines, and clusters. It includes risk analysis, security, compliance, and misconfiguration scanning, saving Kubernetes users and administrators precious time, effort, and resources.
Automated penetration testing & attack surface management platform. Recon, scan, exploit, report - 600+ exploits, 90+ integrations, 10K+ detections.
Vulnerability scanner written in Go which uses the data provided by https://osv.dev
WPScan WordPress security scanner. Written for security professionals and blog maintainers to test the security of their WordPress websites. Contact us via [email protected]
Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.
Open Source Cloud Native Application Protection Platform (CNAPP)
SSH server auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)
LunaSec - Dependency Security Scanner that automatically notifies you about vulnerabilities like Log4Shell or node-ipc in your Pull Requests and Builds. Protect yourself in 30 seconds with the LunaTrace GitHub App: https://github.com/marketplace/lunatrace-by-lunasec/
Protect against malicious open source packages 🤖
Lonkero - Wraps around your attack surface. Professional-grade scanner for real penetration testing. Fast. Modular. Rust.
Android Vulnerability Test Suite - In the spirit of open data collection, and with the help of the community, let's take a pulse on the state of Android security. NowSecure presents an on-device app to test for recent device vulnerabilities.
php2shell (CVE-2026-109618 & CVE-2026-109619) security patches for EOL PHP 5.4–8.1. Official & enhanced backports for vanilla php.net and Remi Collet trees. Restores safe file uploads & progress bars without RCE. Fleet-tested on OpenCart, WordPress, HestiaCP, aaPanel.