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    CVE-2026-78839

    An arbitrary file upload vulnerability in AppNitro MachForm v30 allows attackers to execute arbitrary code via uploading a crafted .phar file.

    Published:Sep 4, 2026
    Last Modified:Sep 27, 2026
    EPS:Sep 4, 2026
    EPSS Score:0.00553
    CVSS Score:8.1

    Affected Products

    Vendor
    Appnitro
    Product
    Machform

    Exploits

    https://github.com/nabeelmkhan/CVE-2026-78839

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    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