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    CVE-2026-27018

    Gotenberg is an API for converting document formats. Prior to version 8.29.0, the fix introduced for CVE-2024-21527 can be bypassed using mixed-case or uppercase URL schemes. This issue has been patched in version 8.29.0.

    Published:Mar 30, 2026
    Last Modified:Apr 8, 2026
    EPS:Mar 30, 2026
    EPSS Score:0.00021
    CVSS Score:7.5

    Affected Products

    Vendor
    Gotenberg
    Product
    Gotenberg
    Vendor
    Thecodingmachine
    Product
    Gotenberg

    Exploits

    https://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6rhttps://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6r

    Related CVEs

    CVE-2026-44829 (CVSS 8.8) — Gotenberg is a Docker-powered stateless API for PDF files. In 8.32.0 and earlier, filename handling in pkg/mod…
    CVE-2026-45742 (CVSS 7.5) — Gotenberg is a Docker-powered stateless API for PDF files. From 8.10.0 until 8.33.0, the newContext function i…
    CVE-2026-45741 (CVSS 7.5) — Gotenberg is a Docker-powered stateless API for PDF files. In 8.32.0 and earlier, the IsPublicIP function in p…
    CVE-2026-55229 (CVSS 7.5) — Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.34.0, Gotenberg's /forms/libreoffice/con…
    CVE-2026-42590 (CVSS 8.2) — Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.30.0, The ExifTool metadata write blockl…
    CVE-2026-42597 (CVSS 5.9) — Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, the /forms/chromium/convert/url an…
    CVE-2026-42595 (CVSS 8.6) — Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, Gotenberg's Chromium URL-to-PDF en…
    CVE-2026-42594 (CVSS 7.5) — Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, the webhook middleware spawns a go…
    CVE-2026-42593 (CVSS 5.3) — Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, pdfengines/merge, pdfengines/split…
    CVE-2026-42592 (CVSS 5.3) — Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, FilterOutboundURL resolves the hos…

    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