List of the Top 23 Vulnerability Scanners for Linux in 2025

Fortify your technology stack using Aikido's comprehensive code-to-cloud security solution. Quickly identify and remediate vulnerabilities with automation. Aikido offers a unified platform that integrates a variety of essential scanning functionalities. With capabilities such as SAST, DAST, SCA, CSPM, IaC, container scanning, and beyond, it stands out as a genuine ASPM solution.

Enhancing Security Measures in Your DevOps Workflow Streamline the process of identifying and addressing vulnerabilities within your code through automation. Kiuwan Code Security adheres to the most rigorous security protocols, such as OWASP and CWE, and seamlessly integrates with leading DevOps tools while supporting a variety of programming languages. Both static application security testing and source code analysis are viable and cost-effective solutions suitable for teams of any size. Kiuwan delivers a comprehensive suite of essential features that can be incorporated into your existing development environment. Rapidly uncover vulnerabilities with a straightforward setup that enables you to scan your system and receive insights in just minutes. Adopting a DevOps-centric approach to code security, you can incorporate Kiuwan into your CI/CD/DevOps pipeline to automate your security measures effectively. Offering a variety of flexible licensing options, Kiuwan caters to diverse needs, including one-time scans and ongoing monitoring, along with On-Premise or SaaS deployment models, ensuring that every team can find a solution that fits their requirements perfectly.

Runecast is a comprehensive IT solution designed for enterprises that helps Security and Operations teams optimize their time and resources by facilitating a forward-thinking strategy for IT operations management, cloud security posture management, and compliance. With this all-in-one platform, your team can enhance their efficiency and effectiveness while managing all aspects of your cloud infrastructure, resulting in greater visibility, improved security measures, and significant time savings. Security personnel experience streamlined vulnerability management and adherence to various compliance standards, covering a wide range of technologies. Meanwhile, Operations teams can minimize their operational costs and gain better clarity, empowering them to adopt a proactive stance and focus on the essential tasks that truly matter to your organization. This holistic approach not only supports team productivity but also strengthens your overall IT ecosystem.

GitGuardian is a worldwide cybersecurity company dedicated to providing code security solutions tailored for the DevOps era. As a frontrunner in the realm of secrets detection and remediation, their products are employed by hundreds of thousands of developers across various sectors. GitGuardian empowers developers, cloud operations teams, and security and compliance experts to protect software development, ensuring consistent and global policy enforcement across all systems. Their solutions continuously monitor both public and private repositories in real-time, identifying secrets and issuing alerts to facilitate swift investigation and remediation efforts. Additionally, the platform streamlines the process of maintaining security protocols, making it easier for teams to manage their codebases effectively.

Invicti, previously known as Netsparker, significantly mitigates the threat of cyberattacks. Its automated application security testing offers unparalleled scalability. As the security challenges your team faces outpace the available personnel, integrating security testing automation into every phase of your Software Development Life Cycle (SDLC) becomes essential. By automating security-related tasks, your team can reclaim hundreds of hours each month, allowing for a more efficient workflow. It is crucial to pinpoint critical vulnerabilities and delegate them for remediation. Whether managing an Application Security, DevOps, or DevSecOps initiative, this approach equips security and development teams to stay ahead of their demands. Gaining comprehensive visibility into your applications, vulnerabilities, and remediation efforts is vital to demonstrating a commitment to reducing your organization's risk. Additionally, you can uncover all web assets, including those that may have been neglected or compromised. Our distinctive dynamic and interactive scanning technique (DAST + IAST) enables you to thoroughly explore your applications' hidden areas in ways that other solutions simply cannot achieve. By leveraging this innovative scanning method, you can enhance your overall security posture and ensure better protection for your digital assets.

SaltStack serves as an advanced IT automation platform capable of managing, securing, and enhancing infrastructure across various environments, whether on-premises, in the cloud, or at the edge. It operates on an event-driven automation engine that intelligently identifies and reacts to system changes, which proves invaluable in handling intricate settings. This robust framework is especially useful in addressing the complexities of modern IT landscapes. The latest addition to SaltStack's offerings is its SecOps suite, designed to identify security vulnerabilities and misconfigurations within systems. With this advanced automation, issues can be promptly detected and rectified, ensuring that your infrastructure remains secure, compliant, and continuously updated. Within the SecOps suite, the components Comply and Protect play crucial roles. Comply is responsible for checking compliance against standards such as CIS, DISA, STIG, NIST, and PCI. Additionally, it assesses operating systems for vulnerabilities and facilitates the updating of patches to bolster security measures effectively. This comprehensive approach not only enhances security but also simplifies the management of compliance requirements.

Haltdos guarantees complete high availability for your website and web services through its advanced Web Application Firewall, application DDoS mitigation, Bot Protection, SSL offloading, and Load Balancing solutions, all deployed across both public and private cloud environments. It continuously monitors, identifies, and autonomously addresses a variety of cyber threats, including the OWASP top 10 vulnerabilities and Zero-day attacks, effectively eliminating the need for human involvement in the mitigation process. This proactive approach not only enhances security but also ensures that your online operations remain seamless and uninterrupted.

Acunetix stands at the forefront of automated web application security testing and has garnered a strong preference among numerous Fortune 500 companies. This tool is adept at identifying and reporting a diverse array of vulnerabilities within web applications. Its advanced crawler is designed to fully accommodate HTML5, JavaScript, and Single-page applications, enabling thorough audits of intricate, authenticated environments. Notably, Acunetix is unique in its capability to automatically identify out-of-band vulnerabilities, setting it apart from other solutions. Users can access Acunetix both online and as an on-premise installation. Moreover, the platform features integrated vulnerability management tools that empower enterprises to efficiently manage, prioritize, and mitigate various vulnerability threats, taking into account the criticality to their business operations. Acunetix also boasts compatibility with widely-used Issue Trackers and Web Application Firewalls (WAFs), ensuring a seamless integration into existing security workflows. Additionally, it is available for use on major operating systems, including Windows and Linux, as well as through online platforms.

The YAG Suite represents a groundbreaking French tool that elevates SAST capabilities significantly. YAGAAN merges static analysis with machine learning, providing clients with much more than a mere source code scanner. This comprehensive suite enhances application security audits and integrates security and privacy within DevSecOps design processes. By aiding developers in grasping the causes and implications of vulnerabilities, the YAG Suite transcends standard vulnerability detection methods. Its contextual remediation feature enables developers to swiftly address issues while also enhancing their secure coding practices. Additionally, YAG Suite’s innovative 'code mining' technique facilitates security assessments of unfamiliar applications, effectively mapping all pertinent security mechanisms and offering querying features to identify 0-day vulnerabilities and other risks that cannot be automatically detected. Currently, it supports programming languages such as PHP, Java, and Python, with plans to expand to JavaScript, C, and C++ in the future. This forward-thinking approach ensures that developers are well-equipped to tackle emerging security challenges.

A vulnerability scanner tailored for Plesk significantly bolsters security by providing reliable configuration recommendations and automated fixes for servers that operate on the Plesk control panel. Quick Patch+ assesses your server configurations, allowing you to swiftly spot and resolve vulnerabilities through an intuitive user interface; furthermore, it facilitates the automation of daily patches for all issues or specifically for those deemed critical. The system also offers email notifications and dashboard alerts regarding vulnerabilities that have been automatically addressed, as well as updates on any newly discovered critical threats. In the event that your website or web application experiences a security breach, it could result in unresponsiveness, downtime, or potential risks for your users, which could lead to significant consequences for your business. Fortunately, for a reasonable monthly fee, you can protect your web server with a streamlined and automated security solution that demands minimal effort from you. Adopting this proactive strategy not only secures the integrity of your website but also builds customer trust and confidence, making it an essential investment for any online presence. Ultimately, investing in such a security measure can save your business from costly repercussions in the long run.

Garak assesses the possible shortcomings of an LLM in various negative scenarios, focusing on issues such as hallucination, data leakage, prompt injection, misinformation, toxicity, jailbreaks, and other potential weaknesses. This tool, which is freely available, is built with a commitment to ongoing development, always striving to improve its features for enhanced application support. Functioning as a command-line utility, Garak is suitable for both Linux and OSX users and can be effortlessly downloaded from PyPI for immediate use. The pip version of Garak undergoes frequent updates to maintain its relevance, and it is advisable to install it within its own Conda environment due to specific dependencies. To commence a scan, users must specify the model that requires analysis; Garak will, by default, run all applicable probes on that model using the recommended vulnerability detectors for each type. As the scanning progresses, users will observe a progress bar for each probe loaded, and once completed, Garak will deliver a comprehensive report detailing the results from every probe across all detectors. This functionality makes Garak an essential tool not only for assessment but also as a crucial asset for researchers and developers who seek to improve the safety and dependability of LLMs in their projects. Additionally, Garak's user-friendly interface ensures that even those less experienced can navigate its features with ease, further broadening its accessibility and impact within the field.

Mageni provides a complimentary platform for vulnerability scanning and management, assisting you in identifying, prioritizing, addressing, and overseeing vulnerabilities effectively. This tool aims to streamline the entire process of vulnerability management for users.

Meet Scuba, a free vulnerability scanner designed to unearth hidden security threats lurking in enterprise databases. This innovative tool enables users to perform scans that uncover vulnerabilities and misconfigurations, shedding light on potential risks associated with their databases. In addition, it provides practical recommendations to rectify any identified problems. Scuba supports a wide range of operating systems, including Windows, Mac, and both x32 and x64 editions of Linux, featuring an extensive library of more than 2,300 assessment tests specifically crafted for major database systems such as Oracle, Microsoft SQL Server, SAP Sybase, IBM DB2, and MySQL. With Scuba, users can effectively pinpoint and assess security vulnerabilities and configuration issues, including patch levels, ensuring their databases remain secure. The scanning process is user-friendly and can be started from any compatible client, typically taking only 2-3 minutes to complete, although this may vary based on the database's complexity, the number of users and groups, and the quality of the network connection. Best of all, users can dive into Scuba without the need for prior installation or any additional dependencies, making it an accessible choice for database security assessment. This ease of access allows organizations to prioritize their security needs without unnecessary delays.

WebReaver is an advanced and intuitive automated solution for web application security assessments, suitable for Mac, Windows, and Linux platforms, which makes it perfect for both novices and seasoned professionals. This tool allows users to thoroughly analyze any web application for a diverse range of vulnerabilities, from severe threats like SQL Injection and command Injection to minor issues such as session management weaknesses and information leaks. However, it's crucial to recognize that automated testing techniques, which typically involve scanning and fuzzing by transmitting potentially harmful data, can carry substantial risks for the applications being tested. Therefore, it is recommended that such automated evaluations be confined to environments specifically set up for demonstration, testing, or pre-production phases to avoid unintended consequences. Moreover, the adaptability of WebReaver to various testing environments ensures that it can provide extensive coverage of potential security vulnerabilities across different scenarios. This flexibility makes it a valuable asset for anyone looking to enhance their web application security.

Enhance your web security testing efforts with BurpGPT, a Burp Suite extension that effortlessly integrates OpenAI's sophisticated models for thorough vulnerability evaluations and traffic monitoring. This innovative tool supports local LLMs, including bespoke versions, prioritizing data confidentiality while delivering customized results that meet your unique needs. The integration of Burp GPT into your security testing workflow is made easy due to its extensive and user-friendly documentation, making it accessible for users of all skill levels. Designed by experts in application security, Burp GPT is at the cutting edge of web security advancements, continuously evolving through user feedback to stay aligned with the ever-changing requirements of security testing. By utilizing Burp GPT, you gain access to a formidable solution that significantly improves the precision and effectiveness of application security assessments. Its state-of-the-art language processing capabilities and intuitive interface ensure that both beginners and seasoned testers can navigate it with ease. Furthermore, BurpGPT empowers you to address intricate technical challenges with confidence and accuracy, marking it as an essential asset in the arsenal of any cybersecurity professional. With each update, it expands its features and capabilities, further solidifying its role as a key player in the realm of web security.

No matter if your data is stored in a cloud environment—whether it’s private, public, or hybrid—or handled on your premises, Armor is committed to safeguarding it. We concentrate on pinpointing real threats and filtering out distractions through advanced analytics, automated processes, and a specialized team that is available 24/7. When an attack occurs, our response is proactive; our Security Operations Center experts provide your security team with actionable guidance on effective response tactics and resolution methods rather than just sending alerts. We emphasize utilizing open-source tools and cloud-native solutions, which helps to free you from conventional vendor dependencies. Our infrastructure as code (IaC) approach for continuous deployment integrates smoothly into your existing DevOps pipeline, or we can assume full control of stack management if needed. Our goal is to empower your organization by simplifying the implementation and maintenance of security and compliance measures. This commitment not only makes security more accessible but also enhances your organization’s operational resilience in an ever-evolving digital world, ultimately enabling you to navigate complexities with greater ease.

Presenting a dynamic yet powerful security solution that offers extensive visibility, proactive governance, and efficient threat identification and response specifically designed for your Linux environments, whether they reside in the cloud or on-premises. Given the multifaceted nature of your cloud infrastructure, relying solely on security protocols meant for endpoints is insufficient. Transition away from simple logging and analytics tools that fall short of providing the necessary context and operational workflows for true infrastructure defense. Cmd’s detection and response platform is expertly crafted to fulfill the needs of contemporary, agile security teams. You can keep track of system operations in real-time or delve into past data with sophisticated filters and alerts. Leverage our eBPF sensors, contextual data structure, and intuitive workflows to enhance your understanding of user activities, ongoing processes, and access to vital resources without requiring extensive Linux expertise. Implement protective strategies and controls around sensitive actions to bolster traditional access management methodologies, ensuring that security is an integral part of your infrastructure’s makeup. This strategy not only fortifies your defenses but also enables your team to react promptly to emerging threats and vulnerabilities, thereby creating a more resilient security posture overall. By integrating these advanced features, you position your organization to better navigate the complexities of modern cybersecurity challenges.

Arachni is a versatile and modular Ruby framework created to support penetration testers and system administrators in evaluating the security of modern web applications. Available at no cost, its source code is fully accessible for examination. This framework works seamlessly across all major operating systems, including MS Windows, Mac OS X, and Linux, and is offered as portable packages for quick implementation. Its flexibility enables it to cater to a diverse array of use cases, from a simple command line scanner to an extensive network of high-performance scanners, along with a Ruby library for scripted audits and a collaborative platform for multiple users conducting simultaneous scans. Moreover, it boasts a user-friendly REST API, facilitating straightforward integration. Additionally, Arachni’s built-in browser environment allows it to effectively manage complex web applications that heavily rely on technologies like JavaScript, HTML5, DOM manipulation, and AJAX, making it an essential asset for security experts. In summary, its extensive capabilities and adaptability solidify Arachni's position as a critical tool in the field of web application security testing, empowering professionals to enhance their security assessments.

Zenmap is the designated graphical user interface for the Nmap Security Scanner. This application is free and open-source, functioning across various platforms such as Linux, Windows, Mac OS X, and BSD, and aims to make Nmap more accessible to beginners while still providing extensive capabilities for experienced users. Users have the option to save commonly used scans as profiles, allowing for their swift execution in future sessions. Furthermore, it features a command creator that aids in the interactive development of Nmap command lines. The software permits the storage of scan results for later reference and allows users to compare these saved outcomes to detect any variances. Recent scans are conveniently archived in a searchable database, enhancing accessibility. Zenmap can usually be obtained alongside Nmap from the official download page. Although Zenmap is designed to be user-friendly, users can access additional insights regarding its features and operation through the Zenmap User's Guide or the Zenmap man page for quick assistance. The blend of its user-centric design and powerful features makes Zenmap an indispensable asset for conducting network security assessments, ensuring both novices and experts can effectively analyze their environments. In this way, Zenmap not only fosters learning but also empowers users to execute thorough security evaluations.

The OpenSCAP ecosystem provides a range of tools that assist both administrators and auditors in assessing, quantifying, and enforcing security baselines effectively. This ecosystem is designed to offer substantial flexibility and interoperability, which ultimately reduces the expenses linked to performing security audits. With a wealth of hardening guides and configuration baselines developed by the open-source community, OpenSCAP enables users to choose a security policy that is ideally suited to their organization's unique needs, regardless of its size. The Security Content Automation Protocol (SCAP), recognized as a U.S. standard, is supported by the National Institute of Standards and Technology (NIST). The OpenSCAP initiative includes a collection of open-source tools that facilitate the implementation and enforcement of this standard and attained SCAP 1.2 certification from NIST in 2014. As the field of computer security is constantly changing, with new vulnerabilities being identified and addressed regularly, it is crucial to regard the enforcement of security compliance as a continuous process. This ongoing commitment not only enhances an organization’s resilience against potential threats but also aids in the effective management of its security posture as time progresses. Additionally, maintaining such vigilance in security practices fosters a culture of awareness and preparedness within the organization.

Vega is an advanced application tailored to help users pinpoint and verify an array of security weaknesses, such as SQL Injection, cross-site scripting, and the unintended disclosure of sensitive information. Built using Java, it offers a user-friendly graphical interface and operates seamlessly across Linux, OS X, and Windows systems. This tool enables the detection of various vulnerabilities including reflected and stored cross-site scripting, blind SQL injection, remote file inclusion, and shell injection, among others. Furthermore, it evaluates the security settings of TLS/SSL and proposes improvements to bolster the security of TLS servers. With its automated scanning feature, Vega streamlines the testing process, while its intercepting proxy allows for thorough analysis. The application's scanning abilities are particularly effective in revealing SQL injection flaws and beyond. Additionally, it includes a website crawler that enhances its automated scanning capabilities and possesses the functionality to log into websites automatically when provided with the appropriate user credentials. In summary, Vega stands out as an essential tool for fortifying the security of web applications, making it indispensable for developers and security professionals alike.

DevSecOps is characterized by its rapid pace and a strong focus on rigorously analyzing container images in line with set compliance standards. As the landscape of application development shifts towards greater speed and flexibility, the use of containers is becoming increasingly favored. However, this surge in adoption does come with certain inherent risks. Anchore steps in with a continuous framework for managing, securing, and troubleshooting containers, ensuring that the need for speed is never compromised. This solution supports the secure development and deployment of containers from the very beginning by confirming that their contents align with your established criteria. Designed for ease of use, these tools cater to developers, production teams, and security experts alike, all adapted to the fast-paced world of container technology. By establishing a solid benchmark for container security, Anchore allows for the validation of your containers, which leads to safer and more predictable deployments. As a result, you can confidently launch containers without hesitation. By utilizing a comprehensive approach to container image security, you can effectively mitigate potential risks and ensure that your operations remain both efficient and secure while adapting to ever-changing demands. This added layer of security not only protects your applications but also fosters a culture of trust within your team.

Firejail is a SUID application that aims to improve security by isolating untrusted applications using Linux namespaces and seccomp-bpf. This utility allows a process and its child processes to have a separate view of shared kernel resources, such as the network stack, process table, and mount table. Written in C with a focus on minimal dependencies, Firejail is compatible with any Linux system running on kernel version 3.x or higher. Its efficient sandboxing approach results in very little performance overhead. Users appreciate its straightforwardness, as it does not require complex configuration files, does not involve open socket connections, and does not operate with background daemons. All security features are integrated directly into the Linux kernel, ensuring they are available on any Linux distribution. This unique combination of simplicity and effectiveness makes Firejail an attractive option for users seeking to enhance their system's protection against various threats while maintaining ease of use. Additionally, the ability to quickly deploy and manage the tool without extensive setup further contributes to its growing popularity in the Linux community.