We fix CVEs in open source software without breaking your stack

Seal Security fixes open source CVEs across your stack from application dependencies to OS and container images with no breaking changes. Get audit-ready fast!

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Secure, scalable patches across your entire open source stack

Seal Security dashboard showing a list of vulnerable open source packages with severity levels, ecosystems, and options to seal vulnerabilities in production environments.

How Seal works

Stacked alert documents with magnifying glass, symbolizing vulnerability scanning or incident investigation.

Discover vulnerabilities

1
Software package cube with patch and pointer icon, symbolizing targeted vulnerability remediation

One click
to Seal packages in all
repos

2
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Remediate vulnerabilities independently from dev teams

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End-to-end open source security

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  • corresponding arrows between bandage and a shieldcorresponding arrows between bandage and a shield

    Fix direct and transitive dependencies

    Fix vulnerabilities at the package level, including transitive dependencies, without breaking changes or requiring version upgrades.

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  • tower of cubes with a lock in front of themTower of block with a secure lock in the front

    Vulnerability-proof your Linux Operating Systems

    Secure operating systems across major Linux distributions, including end-of-life versions, without migrations or vendor lock-in.

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  • A broken shield with fixing tools in front of itA broken shield with fixing tools in front of it

    Patch container images without touching your code

    Automatically fix vulnerabilities in your container images—no code changes, pipeline modifications, or rebuilds required.

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  • a hammer fixing an errora hammer fixing an error

    Secure-by-default base images

    Deploy production-ready base images that are continuously updated, vulnerability-free, and fully STIG and FIPS compliant, so you meet security and compliance requirements out of the box.

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Secure every layer of your open source stack
Protect every layer of the software stack, from application dependencies and operating systems to container base images, without requiring version upgrades or complex migrations.
Strengthen your supply chain
Secures every layer of your open source stack, from app dependencies to Linux distros, container images, virtual machines, and bare metal.  
Empower your security teams
Take ownership of the remediation process and save developers time by eliminating manual remediation with one‑click CVE patches.
No
breaking changes  
Apply patches without breaking changes or forcing upgrades.
End-of-life
support
Stay compliant and secure even when software
reaches its end-of-life. Minimize security risks with
post-EOL patches while avoiding vendor lock-in.
Secure legacy and hard to maintain code
Resolve vulnerabilities in legacy,
unmaintained, or hard-to-patch sensitive
components, even in third party code.
Simplify the process of addressing
security issues in challenging codebases.
Uphold compliance
and meet SLAs
Ensure your products pass every
security scan with confidence. Meet
customer SLAs and stay compliant
with frameworks like FedRAMP, FIPS/STIGS, PCI DSS 4.0, NYDFS 500, DORA, and more.

Latest research and publications

Take Control Over Your Appsec: Empowering Security Teams to Independently Remediate Open Source Vulnerabilities

In this webinar, we'll explore how security teams can leverage backporting of security fixes to bypass challenging upgrades and avoid breaking changes.

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Why Organizations Struggle to Migrate from EOL Systems

End-of-life (EOL) systems pose serious security, compliance, and operational risks—but upgrading is often too costly or disruptive. Learn why EOL infrastructure persists and how Seal Security helps secure legacy systems without breaking your stack

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Navigating FedRAMP Compliance for Open Source Software with Seal Security

In this eBook, we outline how FedRAMP sets clear guidelines to ensure all software components—including open source libraries, application dependencies, container images, and OS components—are kept secure. This ebook will help you stay ahead of audits, slash your vulnerability backlog, and simplify monthly reporting. Download the ebook to see how Seal Security helps cloud providers meet FedRAMP compliance—securely, efficiently, and continuously.

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FAQ

Discover how Seal Security identifies and patches open source vulnerabilities 
without breaking changes.