CVE-2026-108629JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the saveDatarule handler of SysDepartPermissionController that allows any authenticated user to modify department data rules. Low-privileged attackers can send departId, permissionId and dataRuleIds to POST /sys/sysDepartPermission/datarule to change, add or clear data rules on any department-menu permission binding.