CVE-2026-108661

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.

Scoring

Severity
HIGH
CVSS base score
7.1
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CWE
CWE-862
Published
2026-10-10
Last modified
2026-10-10

Affected products

Weakness type

Related vulnerabilities

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