We don't just alert. We fix.

The AppSec Remediation Agent

Seal Security’s AppSec Remediation Agent delivers real, human-vetted, production-ready fixes for open source vulnerabilities - resolving risk directly in your applications without slowing teams down.

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Live demo showing Seal Security's AI-powered AppSec Engineer chat interface - a user reports a critical CVE and the AI agent identifies 536 affected projects, applies a patching rule, and tracks deployment across all of them with zero code changes
Trusted by leading organizations

Why security and engineering teams trust us

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It was the most smooth onboarding experience we have had. In the short amount of time, we were actually able to start seeing value from Seal Security. I can maintain the same version of my library, but do it in a way that's vulnerability free. It makes it a lot better from a security and developer experience because it's no longer battling prioritization. It's just a matter of: can Seal fix it? Yeah, absolutely.

Kyle Kurdziolek
VP of Security
BigID

Thanks to Seal’s product, we swiftly addressed security vulnerabilities and updated outdated code packages, saving us valuable time, which we estimated by months of engineering work.

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Gad Meyer
Director of software engineering
PayPal

Seal Security's solution has been transformative in helping us secure our open source dependencies. It empowers our security teams with standalone patches, enabling prompt resolution of critical and high security issues. Implementing this solution has been instrumental in maintaining FedRAMP compliance. Their approach has allowed us to handle vulnerabilities associated with CentOS EoL packages, and reinforce our existing protections.

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Yul Bahat
Director of cybersecurity
Kiteworks

Security enabled us to eliminate a major ongoing risk to our development roadmap. The integration with their solution was simple, allowing us to quickly achieve significant patching coverage and ensure the seamless remediation of vulnerabilities.

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Matt Farmer
Principal site reliability engineer
CENSYS
Seal in your CI/CD pipeline: a five-stage workflow diagram showing how Seal automatically detects vulnerable packages with known CVEs, swaps them with vulnerability-free versions, builds with sealed dependencies, verifies functionality through testing, and deploys to production - supporting Java, Python, JavaScript, Ruby, Go, PHP, C#, C, and C++ ecosystems with no code changes required

How do you Seal open source vulnerabilities?

  • Integrate Seal with your build pipelines, or directly to your artifact server.
  • During build, Seal swaps all known vulnerable libraries with their Sealed counterparts, according to the pre-approved organization policy.
  • From there, your release process stays the same: build, test, and deploy.
  • Finally, Seal helps ensure all projects stay up to date with the latest security patches to prevent drift.

Autonomous remediation. Human-approved.
Always in your control - every fix is visible, reviewable, and approved by your team.

Remediation you can ship with confidence

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No upgrade required

Don’t get forced into risky upgrades just to address a CVE in a transitive dependency. Patch now, upgrade on your own timeline.

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Fix the “unfixable”

Secure transitive dependencies, EOL libraries, and legacy systems that scanners mark as "no fix available".

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Compliance ready, always

Patches are human-readable, so you can review before applying. Stay continuously compliant with 72-hour remediation SLAs.

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One command is all it takes

Run a single CLI command after resolving your dependencies - no manifest files touched, no dependency conflicts.

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Reviewed by humans, tested by machines, validated by AI

Each patch goes through expert security review, extensive automated testing, and Seal’s AI validation to guarantee build safety.

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No vendor lock-in

Sealed libraries remain in your registry indefinitely. Even if you stop using Seal.

Watch Seal Security in action

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Table showing three rows with columns for language, package, version, a colored status indicator, and a seal action button; first row is Javascript ejs 2.7.4 with red C status and a green 'Sealed' button clicked, second is Python protobuf-c 0.41.3 with red C status and navy Seal button, third is RPM nscd 2.17-326 with orange H status and navy Seal button.

Frequently asked questions

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

What is Seal Security?
What is Seal Security’s SLA for new vulnerabilities?
What regulations does Seal Security help organizations support?
What programming languages does Seal Security support?
What integrations does Seal Security support?
What Linux operating systems does Seal Security support?
What compliance certifications does Seal Security have?