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    CVE-2026-108661

    JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows any authenticated user to transfer tenant ownership via POST /sys/tenant/changeOwenUserTenant. Low-privileged attackers can supply userId and tenantId parameters to reassign any tenant's owner to a member, including themselves, and strip the legitimate owner.

    Published:Oct 10, 2026
    Last Modified:Oct 11, 2026
    EPS:Oct 10, 2026
    EPSS Score:
    CVSS Score:6.5

    Affected Products

    Vendor
    Jeecg
    Product
    Jeecg-boot
    Vendor
    Jeecg
    Product
    Jeecg Boot
    Vendor
    Jeecgboot
    Product
    Jeecgboot

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

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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