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.
History

Wed, 14 Oct 2026 03:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Sun, 11 Oct 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Jeecg jeecg-boot
Jeecgboot
Jeecgboot jeecgboot
Vendors & Products Jeecg jeecg-boot
Jeecgboot
Jeecgboot jeecgboot

Sat, 10 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description 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.
Title JeecgBoot through 3.9.5 Missing Authorization via /sys/user/deleteGroupUser
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-10T21:49:30.589Z

Updated: 2026-10-14T02:34:19.089Z

Reserved: 2026-10-10T20:18:28.240Z

Link: CVE-2026-108638

cve-icon Vulnrichment

Updated: 2026-10-14T02:34:15.893Z

cve-icon NVD

Status : Deferred

Published: 2026-10-10T22:16:39.013

Modified: 2026-10-14T03:17:18.507

Link: CVE-2026-108638

cve-icon Redhat

No data.