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    CVE-2026-44029

    An issue was discovered in Nix before 2.34.7. Writing to arbitrary files can occur via "nix-prefetch-url --unpack" or "nix store prefetch-file --unpack" directory traversal. The fixed versions are 2.34.7, 2.33.6, 2.32.8, 2.31.5, 2.30.5, 2.29.4, and 2.28.7 (introduced in 2.24.7);

    Published:May 5, 2026
    Last Modified:May 5, 2026
    EPS:May 5, 2026
    EPSS Score:0.00241
    CVSS Score:5.3

    Affected Products

    Vendor
    Nixos
    Product
    Nix

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-36 Absolute Path Traversal

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-597 Absolute Path Traversal

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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
    CVE-2026-44029 — Nixos (Medium 5.3) | CVE-DB