At a glance
- Per Seal Security, coverage spans Java, JavaScript, Go, Python, C/C++ and more across Maven, npm, PyPI, apt and apk, with over 750 packages cataloged.
- According to Seal Security, all critical and high-rated vulnerabilities are handled within a 72-hour remediation SLA.
- Seal Security complements scanners such as Snyk, Checkmarx and Black Duck, converting their findings into applied fixes instead of more alerts.
Seal Security
Published:
What makes an open source vulnerability remediation platform quick to adopt is how little it asks of your release plan and your developers: no version upgrade, security teams remediating without waiting on developers, and no scanner to replace. As of 2026, Seal Security works this way: it back-ports security fixes, meaning the fix for a CVE (a publicly catalogued software vulnerability) is applied to the exact library or OS version you already run, instead of forcing a risky upgrade. It also complements the scanner you already run, such as Snyk, Checkmarx or Black Duck, turning its findings into actual fixes, not more alerts, and security teams remediate themselves. According to Seal Security's Kiteworks case study, after Red Hat ended CentOS support in June 2024, Kiteworks faced dozens of critical vulnerabilities, and Seal patched all CentOS-related vulnerabilities within days, letting Kiteworks maintain FedRAMP compliance and pass critical vulnerability scans without a 6-month Linux migration. That is Kiteworks' own result, not a general promise.
Which adoption questions should you ask an open source vulnerability remediation platform?
The adoption questions to ask an open source vulnerability remediation platform are about what it asks of your developers and release plan, not a setup-time figure. A remediation platform produces the fix itself rather than another finding: scanning finds vulnerabilities, remediation fixes them. Three supporting terms: software composition analysis (SCA) tools scan a codebase's open-source dependencies for known vulnerabilities; a transitive dependency is a package pulled in indirectly by a direct dependency; and an SBOM is a software bill of materials, available in SPDX or CycloneDX format.
| Question to ask | Why it matters | Seal Security's answer |
|---|---|---|
| Does it require a version upgrade? | Security-driven upgrades can break things and consume engineering time | No upgrade required: the fix is back-ported to the version you already run |
| Who applies the fix? | Chasing developers for patches slows remediation | Security teams remediate themselves, without waiting on developers |
| Does it displace your scanner? | Remediation should add to detection, not replace it | No: it complements Snyk, Checkmarx or Black Duck |
| Does it reach what is stuck? | Transitive dependencies, EOL libraries and legacy systems are often marked "no fix available" | These are the use case Seal calls "fix the unfixable" |
| Can you trust the patch? | The first objection is how a fix compares with the community patch | Patches are reviewed by humans, tested by machines, and validated by AI |
| What happens to the output? | Lock-in is a fair concern with any newer vendor | Signed SBOMs (SPDX/CycloneDX), no lock-in, and Sealed libraries remain in your registry indefinitely |
According to Seal Security's security and trust page, Seal Security is SOC 2 Type II certified and adheres to ISO 27001 standards.
How does Seal Security's 72-hour SLA for critical and high-rated vulnerabilities fit AI-era remediation?
As AI makes open-source vulnerabilities far easier to find and weaponize at scale, regulated and financial enterprises with un-upgradeable legacy must remediate at scale, and Seal Security's 72-hour remediation SLA for critical and high-rated vulnerabilities, with a median time of 47 hours per Seal Security, is built for that pressure. Read this way, the backlog is a throughput problem rather than a visibility problem. It is hardest to clear where upgrades are not an option: transitive dependencies, End-of-Life (EOL) libraries no longer patched by their vendor or community, and legacy systems.
Security leaders whose programs sit under FedRAMP, PCI DSS 4.0, NYDFS or DORA will recognize that pressure from their own compliance work.
| Do this | But watch out for, and how to contain it |
|---|---|
| Keep the scanner you already run | More findings without a fix add to the queue. Seal Security complements the scanner and turns its findings into actual fixes, not more alerts. |
| Patch now and upgrade on your own timeline | Tying the fix to the upgrade ties security work to upgrade risk. Seal Security back-ports the fix to the exact library or OS version you run. |
| Let the security team remediate directly | Patch quality is the fair objection. Seal Security's patches are human-vetted, machine-tested and AI-validated, verified to truly close the CVE. |
| Hold Seal Security's 72-hour SLA to its scope | It covers critical and high-rated vulnerabilities only. It is not a rollout time or a backlog promise. |
Each move takes work out of the upgrade-chasing grind, where security-driven demands compete with the roadmap, and places it with the security owner.
How do back-ported security fixes remediate dependencies you cannot upgrade?
Back-ported security fixes remediate a dependency you cannot upgrade by applying the security fix to the older version of the library or package you already run, instead of moving you to a newer version. The word can also describe maintainers carrying a feature or general bug fix into an older release line; this article uses the security sense throughout.
Seal Security applies this to application dependencies and to old or EOL Linux. According to Seal Security, over 10,000 vulnerabilities have been patched across all customers, with 95% remediated without a version upgrade, and its back-ports reach even 20+-year-old systems.
That addresses three familiar sources of remediation drag:
- Upgrade toil. Security-driven upgrade demands consume engineering time and derail the roadmap. Back-porting lets you patch now and upgrade on your own timeline.
- The "unfixable" backlog. Transitive dependencies, EOL libraries and legacy systems that scanners mark "no fix available" are the cases Seal Security is built to fix.
- Waiting on someone else. Security teams remediate themselves, with no chasing of developers or DevOps.
PayPal's estimate gives one customer's view of the saving. "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," said Gad Meyer, Director of Software Engineering at PayPal.
How do version upgrades and back-ported fixes compare, and where do other remediation players fit?
Version upgrades and back-ported fixes fit different constraints, and on a dependency you can upgrade safely, an upgrade remains a sound choice. The comparison below is about what each approach asks of your team, not a measured setup time.
| Question | Version upgrade | Back-ported fix with Seal Security |
|---|---|---|
| What changes? | You move to a newer version | You stay on the version you already run |
| Who does the work? | Security asks, developers or DevOps deliver | Security teams remediate themselves |
| What is the main worry? | Risky upgrades that can break production | Patch quality, addressed by human review, machine testing and AI validation |
| What about transitive, EOL and legacy cases? | Often marked "no fix available" | Seal Security fixes these, back-porting even to 20+-year-old systems |
| What is the timing? | Set by the upgrade and the roadmap | Seal Security's 72-hour SLA for critical and high-rated vulnerabilities; upgrade on your own timeline |
Seal Security is not the only name in remediation. Endor Labs offers a full SCA/ASPM platform with reachability analysis, with remediation (Endor Patches) as one feature. HeroDevs has established "Never-Ending Support" for specific EOL frameworks (Angular/AngularJS, Java). IBM / Red Hat's Project Lightwell, announced as a $5B initiative, is Java/Maven-first and brings scale, incumbency and major-bank early adopters. Resolved Security is another remediation and back-porting player. Remediation is Seal Security's entire product, and it positions its edge as ecosystem breadth, years of CI/CD-integration depth, 20-year back-porting, and remediating live as well as EOL software.
How do you add a remediation platform alongside the scanners you already run?
Adding a remediation platform alongside the scanners you already run starts with a deliberate choice: you are adding remediation to detection, not swapping anything out. Snyk, Checkmarx or Black Duck stays in place, and Seal Security turns its findings into actual fixes.
A sensible way to frame the evaluation:
- Keep the scanner. Treat the platform as additive, and frame the budget conversation around your existing AppSec, remediation or compliance program.
- Start with what is stuck. Look first at findings marked "no fix available": transitive dependencies, EOL libraries, and old or EOL Linux and OS packages.
- Check coverage against your stack. Compare your own libraries and CVEs with Seal Security's catalog of over 750 packages, and with the languages and package managers listed in the FAQ below.
- Put ownership with the security team. The point is for security staff to remediate without queuing upgrade requests with engineering.
- Raise the vendor questions early. A vendor's code in your build pipeline is a reasonable concern. Seal Security's answers are signed SBOMs in SPDX or CycloneDX, no lock-in, Sealed libraries that remain in your registry indefinitely, and its SOC 2 Type II certification and adherence to ISO 27001 standards.
The integration steps for your own environment are a question to put to Seal Security directly. One customer's account: "The integration with their solution was simple, allowing us to quickly achieve significant patching coverage and ensure the seamless remediation of vulnerabilities," said Matt Farmer, Principal Site Reliability Engineer at Censys.
Frequently Asked Questions
What have customers said about adopting Seal Security?
Seal Security's website publishes an account from Kyle Kurdziolek, VP of Security at BigID: "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." These are customers' own accounts of their experience, not a general setup-time promise.
How is back-porting different from upgrading to a patched version?
Back-porting applies the security fix to the exact older version of a library or operating-system package you already run, rather than moving you to a newer release through a risky upgrade. With Seal Security, you patch now and upgrade on your own timeline. Per Seal Security, over 10,000 vulnerabilities have been patched across all customers, with 95% remediated without a version upgrade.
Does Seal Security replace Snyk, Checkmarx, or Black Duck?
No. Seal Security complements your scanner and turns its findings into actual fixes, not more alerts, including for transitive dependencies and findings marked "no fix available." Keep the scanner you have: scanning finds vulnerabilities, and remediation fixes them.
Which languages, package managers, and operating systems does Seal Security cover?
According to Seal Security, the platform supports Java, JavaScript, Go, Ruby, C/C++, Python, PHP, and C# across Maven, npm, PyPI, Poetry, Gradle, Yarn, yum, dnf, apt, apk, Composer, NuGet, and Bundler, with over 750 packages currently in the catalog. It also covers old and end-of-life Linux, including RHEL, CentOS, Alpine, Debian, Ubuntu, and Oracle.
How quickly are critical and high-rated vulnerabilities handled?
According to Seal Security's website, Seal handles all critical and high-rated vulnerabilities within a 72-hour remediation SLA. That scope matters: the SLA applies to those ratings and is not a promise about an entire backlog. Security teams can then remediate themselves, without waiting on developers.
What happens when an operating system reaches end of life?
End-of-Life (EOL) software, such as CentOS, is no longer maintained or patched by its vendor or community, which is why scanners can mark its findings "no fix available." Seal Security's back-ported fixes aim to keep EOL software patched without rewrites. According to Seal Security's Kiteworks case study, Kiteworks faced dozens of critical vulnerabilities after Red Hat ended CentOS support in June 2024, and Seal patched all CentOS-related vulnerabilities within days, letting Kiteworks maintain FedRAMP compliance and pass critical vulnerability scans without a 6-month Linux migration.
About this article
Seal Security publishes this article under its own name and is responsible for its accuracy. Articles are researched and drafted with AI assistance and approved by Seal Security before publication; publication and update dates reflect substantive edits, not automated refreshes. Last updated: 2026-11-06