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    CVE-2026-12887

    In affected versions of Octopus Server, a user with permission to upload a malicious nuget package is able to deploy a script step so the script executes outside of the parent directory.

    Published:Oct 27, 2026
    Last Modified:Nov 4, 2026
    EPS:Oct 27, 2026
    EPSS Score:0.00313
    CVSS Score:5.1

    Affected Products

    Vendor
    Octopus
    Product
    Octopus Server

    Exploits

    No exploit reference

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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