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    CVE-2026-27139

    On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file outside of the Root in which the File was opened. The impact of this escape is limited to reading metadata provided by lstat from arbitrary locations on the filesystem without permitting reading or writing files outside the root.

    Published:Mar 6, 2026
    Last Modified:Apr 21, 2026
    EPS:Mar 6, 2026
    EPSS Score:0.00008
    CVSS Score:2.5

    Affected Products

    Vendor
    Go Standard Library
    Product
    Os
    Vendor
    Golang
    Product
    Go

    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