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    CVE-2026-58266

    Anki is a program for creating and reviewing flashcards. Prior to 25.09.4, Anki's webview-based pages communicate with the Rust backend using an internal localhost API, and user scripts included via iframes in the editor can access this API despite protections intended to block reviewer and editor scripts. A malicious imported card package with an embedded iframe can use exposed API methods such as getImageForOcclusion to read arbitrary files accessible to the Anki process and exfiltrate them over the network. This issue is fixed in version 25.09.4.

    Published:Jul 7, 2026
    Last Modified:Jul 8, 2026
    EPS:Jul 7, 2026
    EPSS Score:0.00169
    CVSS Score:6.5

    Affected Products

    Vendor
    Ankitects
    Product
    Anki

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-346 Origin Validation Error

    Related CVEs

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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