Best Vulnerability Scanners for Linux
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Compare the Top Vulnerability Scanners for Linux as of July 2026
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What are Vulnerability Scanners for Linux?
Vulnerability scanners are security tools that automatically identify known vulnerabilities, misconfigurations, outdated software, exposed services, and security weaknesses across IT environments. These tools scan networks, applications, cloud resources, endpoints, containers, databases, and other assets to detect potential security risks before they can be exploited by attackers. Vulnerability scanners often provide risk prioritization, severity ratings, remediation recommendations, compliance checks, and continuous monitoring to help security teams manage exposures efficiently. Many solutions integrate with vulnerability management platforms, SIEM systems, ticketing tools, and security operations workflows to streamline remediation efforts. By continuously assessing security posture and identifying weaknesses, vulnerability scanners help organizations reduce cyber risk, improve compliance, and strengthen overall security defenses. Compare and read user reviews of the best Vulnerability Scanners for Linux currently available using the table below. This list is updated regularly.
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Aikido Security
Aikido Security
Secure your stack with Aikido's code-to-cloud security platform. Find and fix vulnerabilities fast & automatically. Aikido's all-in-one approach combines multiple important scanning capabilities. SAST, DAST, SCA, CSPM, IaC, Container scanning and more - making it a true ASPM platform.Starting Price: Free -
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Kiuwan Code Security
Kiuwan
Kiuwan is an end-to-end application security platform that integrates seamlessly into your development process. Our toolset includes Static Application Security Testing (SAST), Software Composition Analysis (SCA), Software Governance and Code Quality, empowering your team to quickly identify and remediate vulnerabilities. Integrating into your CI/CD pipeline, Kiuwan enables early detection and remediation of security issues. Kiuwan supports strict compliance with industry standards including OWASP, CWE, MISRA, NIST, PCI DSS, and CERT, among others. ✅ Large language support: 30+ programming languages. ✅ Detailed action plans: Prioritize remediation with tailored action plans. ✅ Code Security: Seamless Static Application Security Testing (SAST) integration. ✅ Insights: On-demand or continuous scanning Software Composition Analysis (SCA) to help reduce third-party threats. ✅ One-click Software Bill of Materials (SBOM) generation Code Smarter. Secure Faster. Ship Sooner. -
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Saner CVEM
SecPod Technologies
SecPod Saner CVEM is a continuous vulnerability and exposure management platform designed to help organizations discover, prioritize, and remediate risks before attackers can exploit them. The platform unifies asset discovery, vulnerability detection, compliance management, endpoint management, posture anomaly detection, patch management, exposure visibility, and risk prioritization in one workflow. Saner CVEM uses AI-powered asset visibility, machine-learning anomaly detection, and intelligent prioritization to identify both known vulnerabilities and exposure gaps that traditional scanners may miss. It evaluates risk using factors such as EPSS, CISA KEV status, SSVC, asset criticality, business context, MITRE ATT&CK mapping, and CWE mapping. The platform also supports integrated patch deployment, posture improvement, compliance automation, and continuous scanning across Windows, Linux, macOS, AIX, servers, endpoints, and third-party applications.Starting Price: $50/year/device -
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Runecast
Runecast Solutions
Runecast is an enterprise CNAPP platform that saves your Security and Operations teams time and resources by enabling a proactive approach to ITOM, CSPM, and compliance. It automates vulnerability assessment, configuration drift management and continuous compliance – for VMware, Cloud and Containers. By proactively using our agentless scanning in real-time admins discover potential risks and remediation solutions before any issues can develop into a major outage. It provides continuous audits against vendor best practices, common security standards, and frameworks such as BSI IT-Grundschutz, CIS, Cyber Essentials, DISA STIG, DORA, Essential 8, GDPR, HIPAA, ISO 27001, KVKK, NIST, PCI DSS, TISAX, VMware Security Hardening Guidelines, and the CISA KEVs catalog. Detect and assess risks and be fully compliant across your hybrid cloud in minutes. Runecast has been recognized with Frost & Sullivan's 2023 European New Product Innovation Award in the CNAPP industry. -
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GitGuardian
GitGuardian
GitGuardian is an end-to-end NHI security platform that empowers software-driven organizations to enhance their Non-Human Identity (NHI) security and comply with industry standards. With attackers increasingly targeting NHIs, such as service accounts and applications, GitGuardian integrates Secrets Security and NHI Governance. This dual approach enables the detection of compromised secrets across your dev environments while also managing non human identities and their secrets lifecycle. The platform supports over 450+ types of secrets, offers public monitoring for leaked data, and deploys honeytokens for added defense. Trusted by over 600,000 developers, GitGuardian is the choice of leading organizations like Snowflake, ING, BASF and Bouygues Telecom for robust secrets protection.Starting Price: $0 -
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Invicti
Invicti Security
Application security is noisy and overly complicated. The good news: you can relieve that unnecessary noise and dramatically reduce your risk of attacks with Invicti. Keeping up with security is more manageable with accurate, automated testing that scales as your needs shift and grow. That's where Invicti shines. With a leading dynamic application security testing solution (DAST), Invicti helps teams automate security tasks and save hundreds of hours each month by identifying the vulnerabilities that really matter. Combining dynamic with interactive testing (DAST + IAST) and software composition analysis (SCA), Invicti scans every corner of an app to find what other tools miss. With asset discovery, it's easier to discover all web assets — even ones that are lost, forgotten, or created by rogue departments. Through tried-and-true methods, Invicti helps DevSecOps teams get ahead of their workloads to hit critical deadlines, improve processes, and communicate more effectively. -
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SaltStack
SaltStack
SaltStack is an intelligent IT automation platform that can manage, secure, and optimize any infrastructure—on-prem, in the cloud, or at the edge. It’s built on a unique and powerful event-driven automation engine that detects events in any system and reacts intelligently to them, making it an extremely effective solution for managing large, complex environments. With the newly launched SecOps offering, SaltStack can detect security vulnerabilities and non-compliant, mis-configured systems. As soon as an issue is detected, this powerful automation helps you and your team remediate it, keeping your infrastructure securely configured, compliant, and up-to-date. The SecOps suite includes both Comply and Protect. Comply scans and remediates against CIS, DISA-STIG, NIST, PCI, HIPAA compliance standards. And Protect scans for vulnerabilities and patches and updates your operating systems. -
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Haltdos
Haltdos
Haltdos promises an intelligent WAF & DDoS mitigation service with multi-layered security to online businesses requiring zero management. It is a self-learning solution that continuously learns and adapts network/website traffic and provides real-time and historical insights with stunning visualization. It also provides attack alerts and notifications, attack signatures, customer misbehavior, and audit trail. -
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Acunetix
Invicti Security
As the market leader in automated web application security testing, Acunetix by Invicti is the go-to security tool for Fortune 500 companies. DevSecOps teams can cut through the noise to uncover unseen risks and mitigate dangerous exploits, detecting and reporting on a wide array of vulnerabilities. With an industry-leading crawler that fully supports HTML5, JavaScript, and Single-page applications, Acunetix enables the auditing of complex, authenticated applications for deeper insight into an organization's risk posture. It's a leader for a reason: the technology behind Acunetix delivers the only product on the market that can automatically detect out-of-band vulnerabilities to enable comprehensive management, prioritization, and control for vulnerability threats by criticality. Plus, it's available both online and as an on-prem solution, integrating with popular issue trackers and WAFs so that DevSecOps teams don't have to slow down when building innovative apps. -
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YAG-Suite
YAGAAN
The YAG-Suite is a French made innovative tool which brings SAST one step beyond. Based on static analysis and machine learning, YAGAAN offers customers more than a source code scanner : it offers a smart suite of tools to support application security audits as well as security and privacy by design DevSecOps processes. Beyond classic vulnerability detection, the YAG-Suite focuses the team attention on the problems that really matter in their business context, it supports developers in their understanding of the vulnerability causes and impacts. Its contextual remediation support them in fixing efficiently the problems while improving their secure coding skills. Additionally, YAG-Suite's unprecedented 'code mining' support security investigations of an unknown application with mapping all relevant code features and security mechanisms and offers querying capabilities to search for 0-days or non automatically detectable risks. PHP, Java and Python are supported. JS, C/C++ coming soonStarting Price: From €500/token or €150/mo -
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QuickPatch+
Imunify360
Vulnerability scanner for Plesk that provides reliability, configuration recommendations and automatic fixes for servers running Plesk control panel. Quick Patch+: Analyzes your server configuration and allows you to select and fix vulnerabilities from within the UI; Allows you to configure the automatic daily fix of all vulnerabilities, or only critical ones; Provides email and dashboard notifications for automatically fixed vulnerabilities and newly discovered critical vulnerabilities. If your website or web application’s security is compromised, it can become unresponsive, unavailable, or even dangerous. The impact on your business can be substantial. For a small monthly fee, you can protect your web server with a hands-off, automated approach.Starting Price: $6 per server per month -
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garak
garak
garak checks if an LLM can be made to fail in a way we don't want. garak probes for hallucination, data leakage, prompt injection, misinformation, toxicity generation, jailbreaks, and many other weaknesses. garak's a free tool, we love developing it and are always interested in adding functionality to support applications. garak is a command-line tool, it's developed in Linux and OSX. Just grab it from PyPI and you should be good to go. The standard pip version of garak is updated periodically. garak has its own dependencies, you can to install garak in its own Conda environment. garak needs to know what model to scan, and by default, it'll try all the probes it knows on that model, using the vulnerability detectors recommended by each probe. For each probe loaded, garak will print a progress bar as it generates. Once the generation is complete, a row evaluating that probe's results on each detector is given.Starting Price: Free -
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Mageni
Mageni Security
Mageni provides a free vulnerability scanning and management platform which helps you need to find, prioritize, remediate and manage the vulnerabilities. Mageni has everything you need to scan and manage your vulnerabilities. Perform unlimited scans for unlimited assets without restrictions or hidden costs. The scanner detects is compliant with CVE and CVSS. Use smart and powerful dashboards to manage the vulnerabilities of your assets. Configure easily the scans to run in the window of time of your preference.Starting Price: $39 per month -
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ARMO
ARMO
ARMO pioneers a new approach to Cloud Security with an open source powered, behavioral driven, Cloud Runtime Security Platform. ARMOs CADR (Cloud App Detection & Response) solution addresses a major unsolved pain point for organizations running on cloud-native architectures: how to continuously protect dynamic workloads during runtime without overwhelming teams with alerts or interrupting operations. ARMO CADR continuously reduces the cloud attack surface using real-time runtime insights, while actively detecting and responding to threats with true risk context. It includes 2 major products that are tightly integrated together and are part of one platform solution - * Kubernetes-First, runtime driven, Cloud Security Posture mgmt (CSPM) - identifying risks, prioritizing them and offering remediation without breaking applications in production * Real-Time Threat Detection & Response - detecting and responding to active threats across the entire cloud and applications stack -
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Scuba Database Vulnerability Scanner. Download Scuba, a free tool that uncovers hidden security risks. Scan enterprise databases for vulnerabilities and misconfiguration. Know the risks to your databases. Get recommendations on how to mitigate identified issues. Available for Windows, Mac, Linux (x32), and Linux (x64), Scuba offers over 2,300 assessment tests for Oracle, Microsoft SQL, SAP Sybase, IBM DB2 and MySQL. Scuba is a free tool that scans leading enterprise databases for security vulnerabilities and configuration flaws, including patch levels, that allows you to uncover potential database security risks. It includes more than 2,300 assessment tests for Oracle, Microsoft SQL Server, SAP Sybase, IBM DB2 and MySQL. It’s possible to run a Scuba scan from any Windows, Mac or Linux client. Depending on your database size, users, groups and network connection, an average Scuba scan normally takes 2-3 minutes. No pre-installation or other dependencies are required.
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Arachni
Arachni
Arachni is a feature-full, modular, high-performance Ruby framework aimed towards helping penetration testers and administrators evaluate the security of modern web applications. It is free, with its source code public and available for review. It is multi-platform, supporting all major operating systems (MS Windows, Mac OS X and Linux) and distributed via portable packages which allow for instant deployment. It is versatile enough to cover a great deal of use cases, ranging from a simple command line scanner utility, to a global high performance grid of scanners, to a Ruby library allowing for scripted audits, to a multi-user multi-scan web collaboration platform. In addition, its simple REST API makes integration a cinch. Finally, due to its integrated browser environment, it can support highly complicated web applications which make heavy use of technologies such as JavaScript, HTML5, DOM manipulation and AJAX. -
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WebReaver
Websecurify
WebReaver is an elegant, easy to use and fully-automated, web application security security testing tool for Mac, Windows and Linux, suitable for novice as well as advanced users. WebReaver allows you easily test any web application for a large variety of web vulnerabilities from the sever kinds such as SQL Injection, local and remote file Includes, command Injection, cross-site scripting and expression Injection to the less severe ones such as variety of session and headers problems, information leakage and many more. Automated security testing technologies, such as those, which rely on scanning, fuzzing, sending arbitrary malicious data to detect security defects, can seriously damage the web applications they are used against. Therefore, it is often recommended to perform automated tests only against systems in demo, testing or pre-production environments. -
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Anchore
Anchore
DevSecOps at full speed with deep inspection of container images and policy-based compliance. In an environment where application development must be fast and flexible, containers are the future. Adoption is accelerating, but with it comes risk. Anchore makes it possible to manage, secure, and troubleshoot containers continuously, without sacrificing speed. It delivers a process that allows container development and deployment to be secure from the start, by ensuring that the contents of your containers match the standards that you define. The tools are transparent to developers, visible to production, accessible to security, and all designed for the fluid nature of containers. Anchore sets a trusted standard for containers. It empowers you to certify your containers, making them predictable and protectable. So you can deploy containers with confidence. Protect against risks using a complete container image security solution. -
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BurpGPT
Aegis Cyber Ltd
Experience enhanced web security testing with BurpGPT our Burp Suite extension which integrates OpenAI's LLMs for advanced vulnerability scanning and traffic-based analysis. It also supports local LLMs, including custom-trained models, ensuring greater data privacy and more accurate results according to your needs. Effortlessly integrate Burp GPT into your security testing workflows with user-friendly documentation. Developed by application security experts, Burp GPT represents the cutting-edge of web security testing. Burp GPT continuously improves based on user feedback, ensuring it meets evolving security testing needs. Burp GPT is a robust tool developed to enhance the precision and efficiency of application security testing. Extended with advanced language processing capabilities and an intuitive interface, it enhances security testing for both beginners and seasoned testers alike. With BurpGPT, you can perform sophisticated technical tasks.Starting Price: $100.07 per year -
20
Microsoft Vulnerability Management
Microsoft
Microsoft Defender Vulnerability Management helps organizations reduce cybersecurity threats with a risk-based approach to vulnerability management. It supports continuous vulnerability assessment, risk-based prioritization, and remediation across endpoints and cloud workloads, helping teams discover, prioritize, and address the biggest risks before they are exploited. Instead of relying on periodic scans, Defender Vulnerability Management continuously discovers and monitors assets, detects risks even when endpoints are not connected to the corporate network, and provides alerts through agent-based modules and authenticated scanning. It delivers asset visibility, intelligent assessments, and built-in remediation tools and network devices, helping teams prioritize critical vulnerabilities and misconfigurations across the organization. Using Microsoft threat intelligence, breach likelihood predictions, business context, and device assessments.Starting Price: $2 per month -
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Armor Anywhere
Armor Cloud Security
Whether your data is stored in a cloud environment (private, public, or hybrid) or you’re hosting it onsite, Armor will keep it safe. We’ll help you zero in on real threats and filter out the rest with powerful analytics, workflow automation, and a team of experts working day and night. When (not if) there is an attack, we don’t just send an alert. Our Security Operations Center experts are on it immediately, guiding your security team on how to respond and resolve the problem. Our solutions prefer open source software and open frameworks, and cloud-native implementations freeing you from conventional provider lock-in. Our IaC-based continuous deployment model easily integrates into your existing DevOps pipeline, or we can manage the stack for you. We aim to empower your business by making security and compliance accessible, understandable, and easy to implement and maintain. -
22
Cmd
Cmd
A powerful yet lightweight security platform that provides insightful observability, proactive controls, threat detection and response for your Linux infrastructure in the cloud or datacenter. Your cloud infrastructure is a massive multi-user environment. Don’t protect it with security solutions originally built for endpoints. Think beyond logging and analytics solutions that lack the necessary context and workflows for true infrastructure security. Cmd’s infrastructure detection and response platform is optimized for the needs of today’s agile security teams. View system activity in real time or search through retained data, aided by rich filters and triggers. Leverage our eBPF sensors, contextual data model and intuitive workflows to gain insight into user activity, running processes and access to sensitive resources. No advanced degree in Linux administration required. Create guardrails and controls around sensitive actions to complement traditional access management. -
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Zenmap
Zenmap
Zenmap is the official Nmap Security Scanner GUI. It is a multi-platform (Linux, Windows, Mac OS X, BSD, etc.) free and open source application which aims to make Nmap easy for beginners to use while providing advanced features for experienced Nmap users. Frequently used scans can be saved as profiles to make them easy to run repeatedly. A command creator allows interactive creation of Nmap command lines. Scan results can be saved and viewed later. Saved scan results can be compared with one another to see how they differ. The results of recent scans are stored in a searchable database. You can download Zenmap (often packaged with Nmap itself) from the Nmap download page. Zenmap is quite intuitive, but you can learn more about using it from the Zenmap User's Guide or check out the Zenmap man page for some quick reference information. -
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OpenSCAP
OpenSCAP
The OpenSCAP ecosystem provides multiple tools to assist administrators and auditors with assessment, measurement, and enforcement of security baselines. We maintain great flexibility and interoperability, reducing the costs of performing security audits. The OpenSCAP project provides a wide variety of hardening guides and configuration baselines developed by the open source community, ensuring that you can choose a security policy which best suits the needs of your organization, regardless of its size. Security Content Automation Protocol (SCAP) is U.S. standard maintained by National Institute of Standards and Technology (NIST). The OpenSCAP project is a collection of open source tools for implementing and enforcing this standard, and has been awarded the SCAP 1.2 certification by NIST in 2014. In the ever-changing world of computer security where new vulnerabilities are being discovered and patched every day, enforcing security compliance must be a continuous process. -
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Vega
Subgraph
Vega can help you find and validate SQL Injection, cross-site scripting, inadvertently disclosed sensitive information, and other vulnerabilities. It is written in Java, GUI based, and runs on Linux, OS X, and Windows. Vega can help you find vulnerabilities such as: reflected cross-site scripting, stored cross-site scripting, blind SQL injection, remote file include, shell injection, and others. Vega also probes for TLS / SSL security settings and identifies opportunities for improving the security of your TLS servers. Vega includes an automated scanner for quick tests and an intercepting proxy for tactical inspection. The Vega scanner finds, SQL injection, and other vulnerabilities. Vega includes a website crawler powering its automated scanner. Vega can automatically log into websites when supplied with user credentials. -
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Firejail
Firejail
Firejail is a SUID program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf. It allows a process and all its descendants to have their own private view of the globally shared kernel resources, such as the network stack, process table, mount table. Written in C with virtually no dependencies, the software runs on any Linux computer with a 3.x kernel version or newer. The sandbox is lightweight, the overhead is low. There are no complicated configuration files to edit, no socket connections open, no daemons running in the background. All security features are implemented directly in Linux kernel and available on any Linux computer.
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