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    CVE-2026-27699

    The `basic-ftp` FTP client library for Node.js contains a path traversal vulnerability (CWE-22) in versions prior to 5.2.0 in the `downloadToDir()` method. A malicious FTP server can send directory listings with filenames containing path traversal sequences (`../`) that cause files to be written outside the intended download directory. Version 5.2.0 patches the issue.

    Published:Feb 25, 2026
    Last Modified:Apr 16, 2026
    EPS:Feb 25, 2026
    EPSS Score:0.00129
    CVSS Score:9.1

    Affected Products

    Vendor
    Patrickjuchli
    Product
    Basic-ftp

    Exploits

    https://github.com/patrickjuchli/basic-ftp/security/advisories/GHSA-5rq4-664w-9x2c

    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