CVE-2026-108661

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

Published Oct 10, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Jeecg jeecg-boot
Jeecgboot
Jeecgboot jeecgboot
Vendors & Products Jeecg jeecg-boot
Jeecgboot
Jeecgboot jeecgboot
Type Values Removed Values Added
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.
Title JeecgBoot through 3.9.5 Missing Authorization via /sys/tenant/changeOwenUserTenant
First Time appeared Jeecg
Jeecg jeecg Boot
Weaknesses CWE-862
CPEs cpe:2.3:a:jeecg:jeecg_boot:*:*:*:*:*:*:*:*
Vendors & Products Jeecg
Jeecg jeecg Boot
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 7.1, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 13, 2026, 7:54 PM
Reserved
Oct 10, 2026, 8:19 PM
Status
Deferred
Published
Oct 10, 2026, 10:16 PM
Modified
Oct 13, 2026, 8:43 PM