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    CVE-2026-44298

    Kimai is an open-source time tracking application. From version 2.32.0 to before version 2.56.0, users with the role System-Admin (ROLE_SYSTE_ADMIN) and the permission upload_invoice_template can upload PDF invoice templates, which can call pdfContext.setOption('associated_files', ...) inside the sandboxed Twig render. This is forwarded to mPDF's SetAssociatedFiles(), whose writer calls file_get_contents($entry['path']) during PDF output and embeds the bytes as a FlateDecode stream in the PDF. Any file readable by the PHP worker is returned to the attacker inside the rendered invoice. This issue has been patched in version 2.56.0.

    Published:May 8, 2026
    Last Modified:May 8, 2026
    EPS:May 8, 2026
    EPSS Score:0.00035
    CVSS Score:4.1

    Affected Products

    Vendor
    Kimai
    Product
    Kimai

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-80201 (CVSS 2) — Kimai before 2.53.0 fails to block sensitive User methods in the Twig invoice template sandbox, allowing admin…
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    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