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    CVE-2026-104478

    Formwork before 2.3.13 contains a path traversal vulnerability in BackupController that allows authenticated panel users to read or delete arbitrary files. Attackers with backup download or delete permission can supply a base64-encoded backslash-separated traversal payload that bypasses PHP basename on Linux to access files outside the backup directory.

    Published:Oct 2, 2026
    Last Modified:Oct 5, 2026
    EPS:Oct 2, 2026
    EPSS Score:0.00352
    CVSS Score:7.1

    Affected Products

    Vendor
    Formwork Project
    Product
    Formwork

    Exploits

    No exploit reference

    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