Jeecg JeecgBoot up to 3.9.5 Tenant Pack poc_tenant_pack_by_user.py SysTenantController.listPackByTenantUserId tenantId/userId improper authorization

Summaryinfo

A vulnerability, which was classified as problematic, was found in Jeecg JeecgBoot up to 3.9.5. This affects the function SysTenantController.listPackByTenantUserId of the file poc_tenant_pack_by_user.py of the component Tenant Pack Handler. Executing a manipulation of the argument tenantId/userId can lead to improper authorization. This vulnerability is handled as CVE-2026-108659. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Jeecg JeecgBoot up to 3.9.5. It has been declared as problematic. This vulnerability affects the function SysTenantController.listPackByTenantUserId of the file poc_tenant_pack_by_user.py of the component Tenant Pack Handler. The manipulation of the argument tenantId/userId with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality. CVE summarizes:

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysTenantController listPackByTenantUserId handler that allows any authenticated user to query tenant product packs. Low-privileged attackers can supply arbitrary tenantId and userId parameters to enumerate any tenant's product pack configuration and reveal which users are tenant administrators.

The advisory is available at github.com. This vulnerability was named CVE-2026-108659 since 10/10/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/11/2026). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Jeecg

Name

• JeecgBoot

Version

• 3.9.0
• 3.9.1
• 3.9.2
• 3.9.3
• 3.9.4
• 3.9.5

CPE 2.3info

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CPE 2.2info

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