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    CVE-2026-3861

    LINE client for iOS versions prior to 26.3.0 contains a vulnerability in the in-app browser where opening a crafted web page can repeatedly trigger OS-level dialogs due to insufficient safeguards when handling arbitrary URL schemes, potentially causing the iOS device to become temporarily inoperable.

    Published:Apr 16, 2026
    Last Modified:Apr 30, 2026
    EPS:Apr 16, 2026
    EPSS Score:0.00016
    CVSS Score:6.5

    Affected Products

    Vendor
    Line Corporation
    Product
    Line Client For Ios

    Exploits

    No exploit reference

    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