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    CVE-2026-61876

    LuCI versions fail to properly encode DHCPv6 lease hostnames before rendering in status tables, allowing adjacent network attackers to inject HTML markup. Attackers can send a DHCPv6 Client FQDN containing script tags that execute in the administrator's browser when viewing DHCP lease pages.

    Published:Jul 12, 2026
    Last Modified:Jul 14, 2026
    EPS:Jul 12, 2026
    EPSS Score:0.002
    CVSS Score:8.8

    Affected Products

    Vendor
    Openwrt
    Product
    Luci

    Exploits

    https://www.exploit-db.com/exploits/52637

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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