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    CVE-2026-112770

    Craft CMS 4.x before 4.18.8 and 5.x before 5.11.0 contains a remote code execution vulnerability in the Twig group filter, which invokes non-string arrow arguments as callables without the checkArrow guard used by other arrow-accepting filters. Authenticated control panel users can pass an array-callable such as FileHelper::writeToFile via element-select condition rules to write a webshell to the webroot and execute code as the web user.

    Published:Oct 19, 2026
    Last Modified:Oct 22, 2026
    EPS:Oct 19, 2026
    EPSS Score:0.00583
    CVSS Score:8.8

    Affected Products

    Vendor
    Craftcms
    Product
    Cms
    Vendor
    Craftcms
    Product
    Craft Cms

    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