CVE-2026-108638
JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to remove group member
CVSS
4.3
Medium
EPSS
0.2%
p15
KEV
—
Exploit Today
4
0-100
Published: Oct 10, 2026 · Last modified: Oct 14, 2026 · CWE-862
0.2%EPSS · 30 days0.2%
2026-10-112026-10-25
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.
- github.comhttps://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_user_group_member_removal.py
- github.comhttps://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysUserController.java#L829-L844
- www.vulncheck.comhttps://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-user-deletegroupuser
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