CVE-2026-108881 [MEDIUM] – JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the getTenantPac

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the getTenantPackInfo handler that allows any authenticated user to read other tenants’ product pack membership. Low-privileged attackers can supply a tenantId and fixed packCode values such as superAdmin, accountAdmin or appAdmin to disclose administrator usernames, real names, phones and departments.