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    MedTech Cybersecurity · Since 2022

    Release-over-release SBOM analysis

    SBOM Diff & VEX Drafter

    Paste your previous and current SBOMs. Get the component delta, name-based attention hints, and an unresolved CycloneDX VEX draft for your team to complete with evidence.

    Christian Espinosa, Founder & CEO, Blue Goat Cyber

    Reviewed by

    Christian Espinosa

    Founder & CEO, Blue Goat Cyber

    Last reviewed November 5, 2026

    SPDX (tag-value or JSON) or CycloneDX JSON.

    Same format ideally; mixed formats are fine.

    What you'll see after you submit

    Paste two SBOMs → component delta + VEX stub

    • Supports SPDX tag-value, SPDX JSON, and CycloneDX JSON inputs (mixed is fine).
    • Flags components by name only (not a verified CVE or KEV match) so triage starts in the right place.
    • Generates a CycloneDX 1.5 VEX draft with every entry left in triage until your team records the evidence-backed state.
    • Designed for release-over-release SBOM hygiene the FDA expects under §524B postmarket maintenance.

    Common misconceptions

    What teams usually get wrong

    • Myth: A new SBOM each release is enough.

      Reality: Reviewers and customers care about deltas. Why did this component appear, why did this version bump, and what's the VEX disposition for newly surfaced CVEs?

    • Myth: VEX is a one-time document.

      Reality: Update vulnerability assessments as evidence changes. VEX can communicate assessments, but the FDA does not require a VEX stream.

    • Myth: If a component isn't on KEV it doesn't matter.

      Reality: KEV is a floor, not a ceiling. EPSS, vendor advisories, and your own threat-model context all feed the disposition.

    References & further reading

    Primary sources behind this tool

    1. 1CycloneDX VEX specification - OWASP CycloneDX
    2. 2CISA Known Exploited Vulnerabilities (KEV) - CISA
    3. 3FIRST EPSS - FIRST
    4. 4FDA Cybersecurity in Medical Devices - SBOM expectations - FDA
    Why this tool is current

    Recent regulatory + supply-chain activity

    Tracked signals that change what reviewers expect. Items move on as new ones land.

    • Apr 22, 2026CISA KEV

      CISA adds use-after-free in Linux kernel netfilter to KEV (CVE-2026-0511)

    • Apr 15, 2026CISA KEV

      BLE pairing bypass in widely embedded Bluetooth stack added to KEV

    • Jan 8, 2026CycloneDX

      CycloneDX 1.6.1 errata - clarifies VEX status semantics for medical devices

    • Nov 12, 2025OpenSSF

      SLSA v1.1 published - tightened build-provenance language for regulated industries

    Operationalize it

    Where to take this next.

    Medical device SBOM services

    Build the pipeline that produces a clean diff every release.

    Read Medical device SBOM services

    SBOM Readiness scorer

    How does your SBOM + supply-chain program score overall?

    Read SBOM Readiness scorer

    Component Risk Scorecard

    Score any individual dependency before you accept it.

    Read Component Risk Scorecard

    More tools

    PCCP, §524B checker, threat model, wireless profiler.

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