CVE-2026-108658 [MEDIUM] – JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysTenantCon

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysTenantController queryTenantAuthInfo handler that allows any authenticated user to read other tenants’ records. Low-privileged attackers can iterate small integer tenant ids to retrieve full sys_tenant records, including house numbers used as tenant join codes and company profile fields.