jishenghua jshERP up to 3.6 UserController /user/update UserController.update tenant_id/password dynamically-determined object attributes

Summaryinfo

A vulnerability, which was classified as critical, has been found in jishenghua jshERP up to 3.6. Affected is the function UserController.update of the file /user/update of the component UserController. The manipulation of the argument tenant_id/password leads to dynamically-determined object attributes. This vulnerability is documented as CVE-2026-109186. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in jishenghua jshERP up to 3.6 and classified as critical. This issue affects the function UserController.update of the file /user/update of the component UserController. The manipulation of the argument tenant_id/password with an unknown input leads to a dynamically-determined object attributes vulnerability. Using CWE to declare the problem leads to CWE-915. The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

jshERP through 3.6 contains a mass assignment vulnerability in the UserController update handler that allows authenticated users to overwrite protected fields including tenant_id and password. Attackers can send a crafted PUT /user/update body to switch into another tenant on next login or overwrite other users' password hashes for account takeover.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-109186 since 10/12/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/12/2026).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• jishenghua

Name

• jshERP

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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