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    CVE-2026-28792

    Tina is a headless content management system. Prior to 2.1.8 , the TinaCMS CLI dev server combines a permissive CORS configuration (Access-Control-Allow-Origin: *) with the path traversal vulnerability (previously reported) to enable a browser-based drive-by attack. A remote attacker can enumerate the filesystem, write arbitrary files, and delete arbitrary files on developer's machines by simply tricking them into visiting a malicious website while tinacms dev is running. This vulnerability is fixed in 2.1.8.

    Published:Mar 12, 2026
    Last Modified:Mar 20, 2026
    EPS:Mar 12, 2026
    EPSS Score:0.00284
    CVSS Score:9.7

    Affected Products

    Vendor
    Ssw
    Product
    Tinacms\/cli
    Vendor
    Tina
    Product
    Tinacms

    Exploits

    https://github.com/tinacms/tinacms/security/advisories/GHSA-8pw3-9m7f-q734https://github.com/tinacms/tinacms/security/advisories/GHSA-8pw3-9m7f-q734

    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