
npm audit - Detailed Review
Developer Tools

npm audit - Product Overview
Introduction to npm audit
Primary Function:
The npm audit
command is a built-in security feature of the Node Package Manager (npm) that scans your project’s dependencies for known security vulnerabilities. It submits a description of the dependencies configured in your project to the default registry and requests a report on any identified vulnerabilities.
Target Audience:
This tool is primarily aimed at JavaScript developers, especially those working on projects that rely on npm packages. It is essential for anyone managing dependencies in their Node.js projects, as it helps ensure the security and integrity of the codebase.
Key Features:
Vulnerability Scanning:
npm audit
analyzes the entire dependency tree of your project, checking the installed packages against a list of known vulnerabilities reported in the public npm registry. This helps identify potential security risks such as Command Injection, Prototype Pollution, Denial of Service, and more.
Automated Fixes:
The command can automatically fix some vulnerabilities by updating the dependencies to safer versions. This is achieved by running npm audit fix
, which can also be customized with options like --package-lock-only
to update the package-lock.json
without modifying node_modules
, or --force
to install SemVer-major updates.
Customizable Audit Levels:
Developers can specify the minimum vulnerability level that will cause the command to fail using the --audit-level
parameter. This can be set to low
, moderate
, high
, or critical
, making it useful in CI environments to set failure thresholds.
Detailed Reporting:
The audit command provides a detailed report of the vulnerabilities found, including the severity level, the name of the vulnerable package, its dependency path, and instructions on how to address the issues. Reports can also be generated in JSON format for easier parsing.
Integration with Development Workflow:
npm audit
is integrated with the npm package manager, making it a seamless part of the development process. It encourages developers to embed package security checks from the moment packages are installed, ensuring continuous security monitoring and maintenance.
By using npm audit
, developers can proactively identify and resolve security vulnerabilities in their dependencies, enhancing the security and reliability of their projects.

npm audit - User Interface and Experience
User Interface and Experience
The user interface and experience of `npm audit` are designed to be straightforward and user-friendly, making it accessible to developers without requiring extensive security expertise.Running the Audit
To use `npm audit`, you simply need to run the command `npm audit` in your project’s root directory. This command initiates a scan of your project’s dependencies and prints out a summary of the vulnerabilities found. The output is presented in an easy-to-read format, making it clear what vulnerabilities have been identified and what actions you can take to address them.Output Formats
The `npm audit` command offers various output formats to cater to different needs. For instance, you can run `npm audit –json` to get the results in a JSON format, which is handy for building custom security reports or integrating with other tools. If you prefer a tree view of the vulnerabilities, you can use `npm audit –parseable`.Filtering by Severity
You can also filter the findings by severity using the `–audit-level` flag. For example, `npm audit –audit-level=critical` will show only the critical vulnerabilities, helping you focus on the most severe issues first.Integration with npm Install
By default, the `npm audit` command is invoked during the installation of new packages, ensuring that no vulnerabilities are introduced during this process. This integration provides immediate feedback on the security status of your dependencies, making it easier to maintain a secure project.Ease of Use
The ease of use is a significant advantage of `npm audit`. Developers do not need prior security-related training to run vulnerability audits against their projects. The command is simple to execute, and the output is clear and actionable, guiding you through the steps to fix identified vulnerabilities.Overall User Experience
The overall user experience is positive due to the simplicity and clarity of the tool. The audit reports are detailed yet easy to interpret, and the ability to customize the output format enhances its usability. Additionally, features like `npm audit fix`, which automatically applies fixes for semver-compatible vulnerabilities, further streamline the process of maintaining secure dependencies.Conclusion
In summary, `npm audit` provides a user-friendly interface that is easy to use and interpret, making it an essential tool for developers to ensure the security of their projects.
npm audit - Key Features and Functionality
Introduction to npm audit
The `npm audit` command is a built-in security feature in the Node Package Manager (npm) that helps developers identify and address security vulnerabilities in their project’s dependencies. Here are the main features and how they work:Scanning for Vulnerabilities
`npm audit` scans the dependencies configured in your project against known vulnerabilities reported on the public npm registry. This process involves submitting a description of the dependencies to the default registry and receiving a report of any identified vulnerabilities.Vulnerability Report
The report generated by `npm audit` includes detailed information about the vulnerabilities found, such as the severity level (critical, high, moderate, or low), the name of the vulnerable package, its dependency path, and links to more information about the vulnerability. It also provides specific version ranges that include a patch for the vulnerability and commands to run to address the security issues.Automatic Fixing
Using the `npm audit fix` command, npm can automatically update dependencies to versions that fix known vulnerabilities. This command runs a full-fledged `npm install` under the hood, so all configurations that apply to the installer also apply here. Options like `–package-lock-only`, `–only=prod`, and `–force` allow for more granular control over the fixing process.Audit Level Specification
Developers can specify the minimum vulnerability level that will cause the command to fail using the `–audit-level` parameter. This is particularly useful in Continuous Integration (CI) environments where you might want to fail the build only if vulnerabilities of a certain severity are found.JSON and Parseable Output
The audit results can be output in JSON or parseable formats using the `–json` or `–parseable` flags, respectively. This makes it easier to integrate the audit results into automated workflows or other tools.Integration with CI/CD
`npm audit` can be seamlessly integrated into CI/CD pipelines to ensure that security vulnerabilities are identified and addressed as part of the development workflow. This helps maintain the security and integrity of the codebase.AI Integration
While `npm audit` itself does not directly integrate AI, it leverages the collective efforts of the open-source community to identify and report vulnerabilities. However, in the broader context of developer tools, AI can be integrated through other means, such as using AI-driven testing tools to enhance the overall testing and security process. For example, AI-driven testing tools can automatically generate test cases, intelligently select relevant tests, and predict potential areas of failure, but these are separate from the `npm audit` functionality.Conclusion
In summary, `npm audit` is a powerful tool for identifying and addressing security vulnerabilities in npm projects, but it does not inherently include AI-driven features. Its benefits lie in its ability to automate the process of vulnerability detection and remediation, making it an essential part of any secure development workflow.
npm audit - Performance and Accuracy
When Evaluating the Performance and Accuracy of `npm audit`
Performance
- `npm audit` is integrated seamlessly into the npm workflow, making it easy to use without requiring additional setup or security-related training.
- The command can quickly scan your project’s dependencies listed in the `package-lock.json` file against a vast database of known vulnerabilities, which is continuously updated to reflect the latest threats.
- For efficiency, `npm audit` can automate the remediation process using the `npm audit fix` command, which updates vulnerable packages to secure versions, saving time and effort.
- However, it’s important to note that running `npm audit fix` can sometimes break the application’s behavior if the updated packages are not compatible, so a `–dry-run` flag is available to inspect changes before applying them.
Accuracy
- The accuracy of `npm audit` is high due to its reliance on a comprehensive database of vulnerabilities maintained by the Node Security Working Group, which includes data from sources like the National Vulnerability Database (NVD).
- The tool categorizes vulnerabilities into four severity levels: critical, high, moderate, and low, providing clear guidance on the urgency of the issues found.
- The audit report includes detailed components such as severity, description, and remediation steps, allowing developers to effectively address the vulnerabilities.
Limitations and Areas for Improvement
- While `npm audit` is highly effective, it may not catch all vulnerabilities, especially those that are very new or not yet documented in the vulnerability databases it uses.
- Some vulnerabilities cannot be fixed automatically and require manual intervention or review, which can be time-consuming and may require additional expertise.
- The command relies on the presence of a `package-lock.json` or `npm-shrinkwrap.json` file to ensure consistent results. Without these files, the results may vary with each run as npm rebuilds the dependency tree.
- There are instances where false positives can occur, and flags like `–exclude` and `–ignore` can be used to manage these, but this requires careful configuration.
Additional Features and Integrations
- For enhanced functionality, tools like `better-npm-audit` can be used on top of the standard `npm audit` to highlight unhandled or newly reported vulnerabilities and integrate better with CI/CD pipelines.
Conclusion
Overall, `npm audit` is a powerful and accurate tool for identifying and addressing security vulnerabilities in Node.js projects. Its integration into the npm workflow and reliance on comprehensive vulnerability databases make it a valuable asset for maintaining secure software. However, it is important to be aware of its limitations and use additional tools and flags to manage false positives and complex remediation scenarios.

npm audit - Pricing and Plans
The Pricing Structure for npm audit
The pricing structure for `npm audit` is relatively straightforward and favorable, especially for developers and small projects, as it is integrated into the npm package manager.
Free Plan
- `npm audit` is completely free and comes built-in with the npm package manager. There are no additional costs for using this tool.
- It scans your project’s dependencies for security vulnerabilities, provides a detailed report, and suggests fixes for the identified issues.
Features in the Free Plan
- Scans `package.json`, `package-lock.json`, and `node_modules` folders for vulnerable packages.
- Checks for security vulnerabilities, including code flaws, deprecated functions, and unsafe practices.
- Categorizes vulnerabilities by severity levels: low, moderate, high, and critical.
- Provides a report with details of the vulnerabilities, including descriptions, affected packages, and suggested patches.
- Automatically runs when you install a package with `npm install`, and can also be run manually.
No Paid Plans for npm audit
- There are no paid plans or tiers specifically for `npm audit`. It is a free tool available with the npm package manager, and all its features are accessible without any additional cost.
If you need more advanced security features, such as continuous monitoring, on-premises offerings, Docker support, or software license auditing, you might consider tools like Snyk, which offers both free and paid plans with additional enterprise-grade features.

npm audit - Integration and Compatibility
Integration and Compatibility of `npm audit`
When considering the integration and compatibility of `npm audit` with other tools and across different platforms, here are some key points to note:
Integration with Other Tools
`npm audit` is deeply integrated into the npm command-line interface, making it highly accessible for projects that use npm as their primary package manager. Here are a few ways it integrates with other tools:
- Continuous Integration (CI) Pipelines: `npm audit` can be seamlessly integrated into CI workflows. For example, you can configure GitHub Actions to run `npm audit` as part of your CI pipeline, ensuring that security checks are performed automatically on every push or pull request.
- Jit Platform: Jit offers a unified platform that incorporates `npm audit` along with other security tools like OSV Scanner, Static Application Security Testing (SAST), secret scanning, and more. This integration allows for comprehensive security analysis without the need to manage multiple separate tools.
- GitHub Advisory Database: The vulnerability database used by `npm audit` is hosted on GitHub and is the same database that powers GitHub’s Dependabot tool. This ensures that developers receive alerts about known vulnerabilities in their codebase.
Compatibility Across Different Platforms
While `npm audit` is highly effective within the npm ecosystem, its compatibility is somewhat limited to Node.js and npm-managed packages:
- Node.js Ecosystem: `npm audit` is ideally suited for projects that are entirely based on Node.js and use npm as their primary package manager. It provides real-time feedback and automated remediation for vulnerabilities within the Node.js package dependencies.
- Cross-Platform Use: Although `npm audit` itself is not designed to support multiple programming languages or package managers, it can be part of a broader security strategy that includes tools like OSV Scanner for multi-language projects. For cross-platform compatibility, you might need to combine `npm audit` with other tools that support different ecosystems.
- CI/CD Pipelines: To ensure cross-platform compatibility, you can set up CI/CD pipelines that test your project across multiple operating systems and Node.js versions. This approach helps in early detection of platform-specific issues and ensures deterministic installations using `npm ci`.
Limitations
- Limited to npm Ecosystem: The primary limitation of `npm audit` is its confinement to npm-managed packages. If your project uses multiple technology stacks or package managers, you may need to use additional tools like OSV Scanner to cover the broader security landscape.
Conclusion
In summary, `npm audit` integrates well with other tools within the Node.js ecosystem and can be part of a comprehensive security strategy, especially when combined with other tools and platforms like Jit. However, its compatibility is mainly limited to the npm ecosystem, making it less suitable for projects that use multiple package managers or programming languages.

npm audit - Customer Support and Resources
Using npm audit
When using `npm audit` in the context of Developer Tools, several customer support options and additional resources are available to help you effectively manage and secure your project’s dependencies.
Running npm audit
To start, you can run the `npm audit` command in your project directory. This command scans your project’s dependencies listed in the `package-lock.json` file against a database of known vulnerabilities, generating a detailed report on any security issues found.
Audit Reports and Recommendations
The audit report provides information about security vulnerabilities in your dependencies and offers recommendations on how to fix these vulnerabilities. It includes instructions on the necessary npm commands to update insecure package versions to the latest secure releases.
Customizing Audit Behavior
You can customize the audit process using various flags. For example, you can set specific audit policies, such as ignoring vulnerabilities that only affect optional dependencies, by using commands like `npm config set audit-level=ignore-optional`.
Integration with Other Tools
`npm audit` can be integrated with tools like GitHub Dependabot, which offers continuous monitoring and automatic fixes for new vulnerabilities. This integration helps maintain the security of your project over time.
Using with Repository Managers
If you are using repository managers like Nexus Repository Manager or JFrog Artifactory, you can configure `npm audit` to evaluate your projects within these contexts. For instance, Nexus IQ Server allows you to verify your npm project against security vulnerabilities and other policy enforcement criteria, such as component age or license types.
Local and Pipeline Execution
You can execute `npm audit` locally without authentication, but to fix detected vulnerabilities, you need to be authenticated with your feed. In environments like Azure DevOps, you can also run `npm audit` from your pipeline by specifying the registry URL.
Additional Resources
- Documentation: The official npm documentation provides detailed information on how to use `npm audit`, including configuration and customization options.
- Community Support: Issues and bugs related to `npm audit` can be reported and discussed on platforms like GitHub, where the npm community actively addresses and resolves issues.
- Third-Party Integrations: Resources from third-party tools like JFrog and Azure DevOps offer additional guidance on how to integrate `npm audit` with their services, enhancing its functionality and usability.
By leveraging these resources and support options, you can effectively use `npm audit` to ensure the security and integrity of your project’s dependencies.

npm audit - Pros and Cons
Advantages of npm audit
Integration and Ease of Use
- `npm audit` is directly integrated into the npm command-line interface, making it easily accessible without additional installation or setup for projects already using npm.
- It seamlessly fits into your existing npm workflow, providing a user-friendly tool for developers committed to building and maintaining secure software.
Immediate Feedback
- The tool provides real-time feedback on security vulnerabilities within the project’s dependencies directly in the development environment, enabling quick detection and resolution.
Automated Remediation
- `npm audit` can automatically fix vulnerabilities using the `npm audit fix` command, which updates vulnerable dependencies to their more secure versions with minimal intervention.
Comprehensive Vulnerability Database
- `npm audit` cross-references dependencies against a vast database of vulnerabilities, including the GitHub Advisory Database, the National Vulnerability Database (NVD), and other security advisories. This database is continuously updated to reflect the latest threats.
Detailed Reporting
- The command generates a detailed audit report that includes a list of vulnerabilities found, along with information about each vulnerability and proposed fixes. It also provides URLs linking to the specific vulnerability reports on the GitHub Advisory Database.
Disadvantages of npm audit
Limited Scope
- The functionality of `npm audit` is confined to npm-managed packages, which can be a limitation for projects that use multiple technology stacks or package managers.
Dependency on Public Vulnerability Databases
- The effectiveness of `npm audit` depends on the currency and completeness of the public vulnerability databases it uses. If these databases are not up-to-date or comprehensive, the tool may not reflect the most recent security findings.
Potential for Breaking Changes
- The `npm audit fix` command can be dangerous because it may update dependencies to the latest major version, introducing breaking changes, or downgrade a package to a version that is not compatible with the application.
Inclusion of Development Dependencies
- By default, `npm audit` includes development dependencies (`devDependencies`) in its scan, which can be overwhelming and not useful for understanding the security posture of the production application.
Manual Monitoring Required
- `npm audit` does not monitor dependencies automatically; developers must remember to run the command manually to check for vulnerabilities.
No Option to Ignore Vulnerabilities
- The tool does not provide a way to ignore vulnerabilities or suppress false positives, which can make it difficult to manage known issues that are not critical or are already being addressed.
By considering these advantages and disadvantages, developers can effectively use `npm audit` to enhance the security of their Node.js projects while being aware of its limitations.

npm audit - Comparison with Competitors
When Comparing npm audit with Other Security Auditing Tools
When comparing npm audit
with other tools in the category of security auditing for package dependencies, several key aspects and alternatives come into focus.
npm-audit Unique Features
- Integration and Ease of Use:
npm audit
is deeply integrated into the npm command-line interface, making it highly accessible and easy to use for projects that rely heavily on npm. It provides real-time feedback on security vulnerabilities and can automatically fix many issues with thenpm audit fix
command. - Automated Remediation: The ability to automatically update vulnerable dependencies to more secure versions with minimal intervention is a significant advantage. This feature streamlines the process of maintaining secure dependencies.
- Specificity to npm Ecosystem: While this can be a limitation,
npm audit
is highly effective within the npm ecosystem, making it ideal for projects that are entirely based on Node.js and use npm as their primary package manager.
Limitations of npm-audit
- Limited to npm Ecosystem:
npm audit
is confined to npm-managed packages, which can be a limitation for projects that use multiple technology stacks or package managers. - Dependency on Public Vulnerability Databases: The effectiveness of
npm audit
depends on the currency and completeness of the npm public vulnerability database, which may not always reflect the most recent security findings.
Alternatives and Comparisons
OSV Scanner
- Broader Coverage: OSV Scanner offers a wider scope of security coverage across multiple ecosystems and programming languages, making it suitable for multi-language projects or complex environments. It also includes comprehensive analysis and license scanning capabilities, which can be crucial for compliance and regulatory requirements.
- Versatility: Unlike
npm audit
, OSV Scanner is not limited to the npm ecosystem and can handle dependencies from various package managers, making it a better choice for projects with diverse technological stacks.
AuditJS
- Aggregated Vulnerability Feeds: AuditJS leverages Sonatype’s OSS Index, which aggregates several security vulnerability feeds including CVE, CWE, and NVD. This provides a more comprehensive view of vulnerabilities compared to relying solely on npm’s database.
- Customization and Whitelisting: AuditJS allows developers to whitelist specific vulnerabilities if they are known not to affect the project, providing more control over the audit process. It also de-dupes vulnerability reports, reducing confusion and making the output more manageable.
- Integration with CI/CD Pipelines: AuditJS can be easily integrated into CI/CD pipelines and offers flexibility in its reporting, which can be more efficient than
npm audit
in certain scenarios.
Choosing the Right Tool
When deciding between these tools, consider the following factors:
- Integration and Setup: Evaluate how easily the tool integrates into your existing development processes.
npm audit
is seamless for npm-centric environments, while OSV Scanner and AuditJS offer more versatility across different platforms. - Scope of Security Coverage: Consider the extent of security coverage needed. If your project is confined to the npm ecosystem,
npm audit
might be sufficient. However, for broader coverage, OSV Scanner or AuditJS could be more appropriate. - Compliance Requirements: If your project operates under stringent regulatory standards, the comprehensive analysis and license scanning capabilities of OSV Scanner or the aggregated vulnerability feeds of AuditJS might be necessary.
In summary, while npm audit
is highly effective and easy to use within the npm ecosystem, alternatives like OSV Scanner and AuditJS offer broader coverage and additional features that can be crucial for projects with diverse technological stacks or stringent compliance requirements.

npm audit - Frequently Asked Questions
Frequently Asked Questions about `npm audit`
What is `npm audit`?
`npm audit` is a command that performs a security review of your project’s dependency tree. It submits a description of the dependencies configured in your project to the default registry and asks for a report of known vulnerabilities.How do I run `npm audit`?
To run `npm audit`, simply navigate to your project’s root directory and execute the command `npm audit`. This will scan your project’s dependencies and print out a summary of the vulnerabilities found.What information does the `npm audit` report provide?
The `npm audit` report includes details about security vulnerabilities in your dependencies, such as the affected package name, vulnerability severity, description, path, and commands to apply patches to resolve the vulnerabilities. If no patches are available, the report provides information to help you investigate further.How can I fix vulnerabilities identified by `npm audit`?
You can fix vulnerabilities using the `npm audit fix` command. This command applies remediations to the package tree automatically. If you prefer manual updates, you can run the recommended commands individually. The `–dry-run` option allows you to see what changes would be made without actually applying them.Can I configure the severity level for `npm audit`?
Yes, you can specify the minimum vulnerability level that will cause the `npm audit` command to exit with a non-zero exit code using the `–audit-level` option. This can be set to “info”, “low”, “moderate”, “high”, “critical”, or “none”.How often should I run `npm audit`?
It is recommended to run `npm audit` regularly, either manually or as part of your continuous integration process, since the advisory database can be updated at any time. `npm audit` also runs automatically whenever you install a package with `npm install`, but you can turn this off if needed.Can I turn off `npm audit` during package installation?
Yes, you can turn off `npm audit` when installing a single package by using the `–no-audit` flag, or turn it off for all installations by setting the `audit` setting to `false` in your user and global `npmrc` config files.What are the exit codes for `npm audit` and `npm audit fix`?
The `npm audit` command exits with a 0 exit code when no vulnerabilities are found and a non-zero code when any vulnerability is found. The `npm audit fix` command exits with a 0 exit code if no vulnerabilities are found or if the remediation is successful, and a non-zero code otherwise, depending on the audit-level configuration.Is `npm audit` supported in all versions of npm?
`npm audit` is available in npm@5.10.0 and later versions, including npm@6. It is not supported in versions prior to npm@5.10.0.Are there any specific requirements or configurations needed for `npm audit`?
For certain advanced configurations, such as using Nexus Repository Manager, you need to configure your npm project within the Nexus Repository Manager and use an IQ Server. However, for standard use, no additional configuration is required beyond having the necessary version of npm installed.
npm audit - Conclusion and Recommendation
Final Assessment of npm audit
Purpose and Functionality
npm audit is a powerful tool integrated into the Node Package Manager (npm) that scans your project’s dependencies for known security vulnerabilities. It cross-references your dependencies against a vast database of vulnerabilities, including those from the National Vulnerability Database (NVD) and other security advisories. This tool generates a detailed report categorizing vulnerabilities by severity levels (low, moderate, high, or critical) and provides actionable steps to address them.
Benefits
- Security: npm audit helps identify and fix security vulnerabilities in your project’s dependencies, ensuring your application is not using packages with known security issues that could be exploited by attackers.
- Dependency Management: It aids in managing and maintaining the security of your project’s dependencies, which is crucial given the widespread use of third-party packages and libraries in modern applications.
- Compliance and Best Practices: Using npm audit aligns with industry standards and demonstrates a commitment to security best practices, which is essential for maintaining the integrity of your application.
Who Would Benefit Most
- Node.js Developers: Any developer working on Node.js projects would greatly benefit from using npm audit. It helps in proactively identifying and addressing vulnerabilities within dependencies, ensuring the security and integrity of the software supply chain.
- DevOps Teams: Integrating npm audit into Continuous Integration/Continuous Deployment (CI/CD) pipelines can automate the detection and fixing of vulnerabilities, promoting a culture of continuous security.
Recommendation
Using npm audit is highly recommended for any Node.js project. Here are some key steps and considerations:
- Regular Audits: Make npm audit a regular part of your development workflow to stay ahead of new and existing dependency threats.
- Automated Fixes: Utilize npm audit fix to automatically correct known vulnerabilities with minimal effort. However, be prepared to perform manual reviews and fixes for more complex issues.
- Custom Policies: Customize your security checks by setting specific audit policies, such as ignoring vulnerabilities in optional dependencies, to focus on critical issues.
- Integration with Other Tools: Consider integrating npm audit with tools like GitHub Dependabot or third-party security scanners like Snyk for additional insights and automation capabilities.
In summary, npm audit is an essential tool for maintaining the security and integrity of Node.js projects. Its ability to identify and address vulnerabilities proactively makes it a must-have in any developer’s toolkit.