CVE-2026-108637
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductJeecgBoot
PublishedOct 10, 2026
First seenOct 10, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jeecgboot JeecgBoot | v ≤ 3.9.5 | — |
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