CVE-2026-108657

Description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysTenantController passApply handler that allows any authenticated user to approve tenant administrator applications. Attackers can file a pending application via doApplyTenantPackUser and approve it through PUT /sys/tenant/passApply to gain tenant administrator pack permissions in any tenant.

References

• https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_tenant_ownership_and_pack_approval.py
• https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysTenantController.java#L838-L842
• https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-tenant-passapply