CVE-2026-108875

JeecgBoot through 3.9.5 Missing Authorization via /sys/user/addSysUserGroup

Published Oct 11, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysUserController addSysUserGroup handler that allows any authenticated user to modify user group membership. Low-privileged attackers can send POST requests with arbitrary user ids and a groupId to add any users to administrator-maintained groups without permission checks.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Jeecg jeecgboot
Vendors & Products Jeecg jeecgboot
Type Values Removed Values Added
Description JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysUserController addSysUserGroup handler that allows any authenticated user to modify user group membership. Low-privileged attackers can send POST requests with arbitrary user ids and a groupId to add any users to administrator-maintained groups without permission checks.
Title JeecgBoot through 3.9.5 Missing Authorization via /sys/user/addSysUserGroup
First Time appeared Jeecg
Jeecg jeecg Boot
Weaknesses CWE-862
CPEs cpe:2.3:a:jeecg:jeecg_boot:*:*:*:*:*:*:*:*
Vendors & Products Jeecg
Jeecg jeecg Boot
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 14, 2026, 4:55 PM
Reserved
Oct 11, 2026, 1:34 PM
Status
Deferred
Published
Oct 11, 2026, 3:16 PM
Modified
Oct 14, 2026, 5:18 PM