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Medium · 6.5 CVE-2026-108661 EUVD-2026-96600GHSA-hh6j-j8mj-f737

JeecgBoot through 3.9.5 Missing Authorization via /sys/tenant/changeOwenUserTenant

Published Oct 10, 2026 · Updated Oct 13, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
jeecgboot JeecgBoot ≤ 3.9.5 —

References