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    CVE-2026-119407

    Element Web and Element Desktop before 1.12.32 accept guest credentials from URL fragment parameters in loadSession, allowing remote unauthenticated attackers to log out users and clear local stores. Attackers can lure logged-in users into opening links with guest_user_id and guest_access_token to force an attacker-controlled guest session and destroy unbacked end-to-end encryption keys.

    Published:Oct 30, 2026
    Last Modified:Nov 4, 2026
    EPS:Oct 30, 2026
    EPSS Score:0.00142
    CVSS Score:7.1

    Affected Products

    Vendor
    Element
    Product
    Element
    Vendor
    Element-hq
    Product
    Element-web

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-352 Cross-Site Request Forgery

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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