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About alerts for vulnerable dependencies

GitHub sends Dependabot alerts when we detect vulnerabilities affecting your repository.

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About vulnerable dependencies

Uma vulnerabilidade é um problema no código de um projeto que poderia ser explorada para corromper a confidencialidade, a integridade ou a disponibilidade do projeto ou de outros projetos que usam o código. As vulnerabilidades variam de tipo, gravidade e método de ataque.

When your code depends on a package that has a security vulnerability, this vulnerable dependency can cause a range of problems for your project or the people who use it.

Detection of vulnerable dependencies

Dependabot detects vulnerable dependencies and sends Dependabot alerts when:

Additionally, GitHub can review any dependencies added, updated, or removed in a pull request made against the default branch of a repository, and flag any changes that would introduce a vulnerability into your project. This allows you to spot and deal with vulnerable dependencies before, rather than after, they reach your codebase. Para obter mais informações, consulte "Revisar as mudanças de dependências em um pull request".

For a list of the ecosystems that GitHub can detect vulnerabilities and dependencies for, see "Supported package ecosystems."

Note: It is important to keep your manifest and lock files up to date. If the dependency graph doesn't accurately reflect your current dependencies and versions, then you could miss alerts for vulnerable dependencies that you use. You may also get alerts for dependencies that you no longer use.

Dependabot alerts for vulnerable dependencies

GitHub detects vulnerable dependencies in public repositories and generates Dependabot alerts by default. Owners of private repositories, or people with admin access, can enable Dependabot alerts by enabling the dependency graph and Dependabot alerts for their repositories.

You can also enable or disable Dependabot alerts for all repositories owned by your user account or organization. For more information, see "Managing security and analysis settings for your user account" or "Managing security and analysis settings for your organization."

GitHub starts generating the dependency graph immediately and generates alerts for any vulnerable dependencies as soon as they are identified. The graph is usually populated within minutes but this may take longer for repositories with many dependencies. For more information, see "Managing data use settings for your private repository."

When GitHub identifies a vulnerable dependency, we generate a Dependabot alert and display it on the Security tab for the repository. The alert includes a link to the affected file in the project, and information about a fixed version. GitHub also notifies the maintainers of affected repositories about the new alert according to their notification preferences. For more information, see "Configuring notifications for vulnerable dependencies."

For repositories where Dependabot security updates are enabled, the alert may also contain a link to a pull request to update the manifest or lock file to the minimum version that resolves the vulnerability. For more information, see "About Dependabot security updates."

Note: GitHub's security features do not claim to catch all vulnerabilities. Though we are always trying to update our vulnerability database and generate alerts with our most up-to-date information, we will not be able to catch everything or tell you about known vulnerabilities within a guaranteed time frame. These features are not substitutes for human review of each dependency for potential vulnerabilities or any other issues, and we recommend consulting with a security service or conducting a thorough vulnerability review when necessary.

Access to Dependabot alerts

You can see all of the alerts that affect a particular project on the repository's Security tab or in the repository's dependency graph. For more information, see "Viewing and updating vulnerable dependencies in your repository."

By default, we notify people with admin permissions in the affected repositories about new Dependabot alerts. GitHub never publicly discloses identified vulnerabilities for any repository. You can also make Dependabot alerts visible to additional people or teams working repositories that you own or have admin permissions for. For more information, see "Managing security and analysis settings for your repository."

Você pode escolher o método de entrega para notificações sobre Dependabot alerts em repositórios que você está inspecionando, bem como a frequência na qual as notificações são enviadas para você. For more information, see "Configuring notifications for vulnerable dependencies."

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