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    CVE-2026-108638

    JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to remove group memberships via the deleteGroupUser handler in SysUserController. Attackers can send DELETE requests with arbitrary groupId and userId values to remove any user from any administrator-maintained user group without ownership or tenant checks.

    Published:Oct 10, 2026
    Last Modified:Oct 14, 2026
    EPS:Oct 10, 2026
    EPSS Score:0.00238
    CVSS Score:4.3

    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

    Related CVEs

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    CVE-2026-108881 (CVSS 5.3) — JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the getTenantPackInfo handler that a…
    CVE-2026-108879 (CVSS 5.3) — JeecgBoot through 3.9.5 contains an insecure direct object reference vulnerability in AiragBaseApiController t…
    CVE-2026-108877 (CVSS 5.3) — JeecgBoot through 3.9.5 contains a missing authorization vulnerability in AiragPromptsController that allows a…
    CVE-2026-108876 (CVSS 5.3) — JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the putCancelQuit handler of SysUser…
    CVE-2026-108873 (CVSS 5.3) — JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticate…
    CVE-2026-108872 (CVSS 5.3) — JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the batchEditUsers handler of SysUse…
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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