JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to remove user group members by calling DELETE /sys/user/deleteUserGroupBatch. Attackers can supply any groupId and comma-separated userIds to delete sys_ugroup_user rows without permission or tenant checks, tampering with administrator-maintained groups.
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History

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 user group members by calling DELETE /sys/user/deleteUserGroupBatch. Attackers can supply any groupId and comma-separated userIds to delete sys_ugroup_user rows without permission or tenant checks, tampering with administrator-maintained groups.
Title JeecgBoot through 3.9.5 Missing Authorization via deleteUserGroupBatch Endpoint
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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-10T21:49:29.917Z

Reserved: 2026-10-10T20:18:27.793Z

Link: CVE-2026-108637

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-10T22:16:38.870

Modified: 2026-10-10T22:16:38.870

Link: CVE-2026-108637

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses