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    CVE-2026-106510

    Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by remote code execution via crafted markdown_extensions in techdocs mkdocs.yml. An authenticated user who can register catalog entities can provide a crafted mkdocs.yml causing arbitrary OS command execution on the TechDocs build host when the docs are built. This issue is fixed in versions 1.14.6 and 1.15.4.

    Published:Oct 7, 2026
    Last Modified:Oct 13, 2026
    EPS:Oct 7, 2026
    EPSS Score:0.00441
    CVSS Score:7.7

    Affected Products

    Vendor
    Backstage
    Product
    Backstage
    Vendor
    Backstage
    Product
    Plugin-techdocs-node
    Vendor
    Linuxfoundation
    Product
    Backstage
    Vendor
    Linuxfoundation
    Product
    Backstage Plugin-techdocs-node

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-106563 (CVSS 5.3) — Backstage is an open framework for building developer portals. Prior to 0.21.8, the @backstage/plugin-kubernet…
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    CVE-2026-106561 (CVSS 5) — Backstage is an open framework for building developer portals. Prior to 0.21.9, the @backstage/plugin-kubernet…
    CVE-2026-106560 (CVSS 7.1) — Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffold…
    CVE-2026-106559 (CVSS 6.3) — Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffold…
    CVE-2026-106558 (CVSS 8.8) — Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backst…
    CVE-2026-106556 (CVSS 7.7) — Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High