CVE-2026-108661 [MEDIUM] – JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows any aut

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows any authenticated user to transfer tenant ownership via POST /sys/tenant/changeOwenUserTenant. Low-privileged attackers can supply userId and tenantId parameters to reassign any tenant’s owner to a member, including themselves, and strip the legitimate owner.