CVE-2026-108635 [MEDIUM] – JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the GET /sys/sys

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the GET /sys/sysDepart/getDepartmentHead endpoint of SysDepartController that allows any authenticated user to list department staff. Low-privileged attackers can enumerate departId values to retrieve staff names, avatars, posts, and mobile and telephone numbers, including contacts marked hidden.