CVE-2026-108638

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Source
https://cve.org/CVERecord?id=CVE-2026-108638
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108638.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-108638
Published
2026-10-10T21:49:30Z
Modified
2026-10-12T02:31:29Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
JeecgBoot through 3.9.5 Missing Authorization via /sys/user/deleteGroupUser
Details

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.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108638.json"
}
References

Affected packages

Git / github.com/jeecgboot/jeecgboot

Affected ranges

Type
GIT
Repo
https://github.com/jeecgboot/jeecgboot
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e3b9dc0aefe1943d9772b026f64ed671a7c82802
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.9.5"
        },
        {
            "fixed": "3.9.5"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

2.*
2.2.0
2.3.0
2.4.0
2.4.1
2.4.5
v2.*
v2.0.2
v2.1.0
v2.1.1
v2.1.3
v2.1.4
v2.2.1
v2.3
v2.3.0
v2.4.1
v2.4.2
v2.4.3
v2.4.5
v2.4.6
v3.*
v3.0
v3.0.0
v3.1.0
v3.2.0
v3.4.0
v3.4.2
v3.4.3
v3.4.3last
v3.4.4
v3.4.4last
v3.5.0
v3.5.1
v3.5.1last
v3.5.3
v3.5.5
v3.5.5last
v3.6.0
v3.6.2_springboot3
v3.7.0_springboot3
v3.7.1springboot3
v3.7.3springboot3
v3.8.0last_springboot3
v3.8.2last_springboot3
v3.8.3
v3.8.3.1
v3.9.0
v3.9.0last
v3.9.1
v3.9.1last
v3.9.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108638.json"