FlowiseAI: Assistant create+update mass-assignment allows cross-workspace assistant takeover

Summary Type: Mass assignment via Object.assignentity, body - client-controlled workspaceId and on create, id overwritten on the Assistant entity - cross-workspace data takeover and IDOR. File: packages/server/src/services/assistants/index.ts Root cause: The Assistant controller/service construct...

NPM: FlowiseAI has Mass Assignment in Assistant Update Endpoint that Allows Cross-Workspace Resource Reassignment

NPM: FlowiseAI has Mass Assignment in Assistant Update Endpoint that Allows Cross-Workspace Resource Reassignment vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.1...

FlowiseAI has Mass Assignment in Assistant Update Endpoint that Allows Cross-Workspace Resource Reassignment

Summary A Mass Assignment vulnerability exists in the assistant update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating an assistant resource. Due to missing server-side validation...

GHSA-HP26-Q66V-Q2W7 FlowiseAI has Mass Assignment in Assistant Update Endpoint that Allows Cross-Workspace Resource Reassignment

Summary A Mass Assignment vulnerability exists in the assistant update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating an assistant resource. Due to missing server-side validation...

GHSA-5WXP-QJGQ-FX6M FlowiseAI has Mass Assignment in Chatflow Update Endpoint that Allows Cross-Workspace AgentFlow Reassignment

Summary A Mass Assignment vulnerability exists in the chatflow update endpoint of FlowiseAI. The endpoint allows clients to modify server-controlled properties such as deployed, isPublic, workspaceId, createdDate, and updatedDate when updating a chatflow object. Due to missing server-side...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview flowise is a Flowiseai Server Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes over the /api/v1/chatflows endpoint. A user can gain unauthorized access to and modify sensitive attributes, such as deployment...

NPM: FlowiseAI has Mass Assignment in Chatflow Update Endpoint that Allows Cross-Workspace AgentFlow Reassignment

NPM: FlowiseAI has Mass Assignment in Chatflow Update Endpoint that Allows Cross-Workspace AgentFlow Reassignment vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.1...

FlowiseAI has Mass Assignment in Chatflow Update Endpoint that Allows Cross-Workspace AgentFlow Reassignment

Summary A Mass Assignment vulnerability exists in the chatflow update endpoint of FlowiseAI. The endpoint allows clients to modify server-controlled properties such as deployed, isPublic, workspaceId, createdDate, and updatedDate when updating a chatflow object. Due to missing server-side...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview flowise is a Flowiseai Server Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes via the /api/v1/tools endpoint when the server fails to validate and restrict client-supplied fields in the request body. An...

NPM: FlowiseAI has Mass Assignment in Tool Update Endpoint that Allows Cross-Workspace Resource Reassignment

NPM: FlowiseAI has Mass Assignment in Tool Update Endpoint that Allows Cross-Workspace Resource Reassignment vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.1...

GHSA-X5V6-PJ28-CWWM FlowiseAI has Mass Assignment in Tool Update Endpoint that Allows Cross-Workspace Resource Reassignment

Summary A Mass Assignment vulnerability exists in the tool update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating a tool resource. Due to missing server-side validation and...

FlowiseAI has Mass Assignment in Tool Update Endpoint that Allows Cross-Workspace Resource Reassignment

Summary A Mass Assignment vulnerability exists in the tool update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating a tool resource. Due to missing server-side validation and...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview flowise is a Flowiseai Server Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes via the /api/v1/variables endpoint. A user can modify internal attributes such as workspaceId, createdDate, and updatedDate by...

GHSA-6FW7-3Q8R-M5VJ FlowiseAI has Mass Assignment in Variable Update Endpoint that Allows Cross-Workspace Resource Reassignment

Summary A Mass Assignment vulnerability exists in the variable update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating a variable resource. Due to missing server-side validation an...

NPM: FlowiseAI has Mass Assignment in Variable Update Endpoint that Allows Cross-Workspace Resource Reassignment

NPM: FlowiseAI has Mass Assignment in Variable Update Endpoint that Allows Cross-Workspace Resource Reassignment vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.1...

FlowiseAI has Mass Assignment in Variable Update Endpoint that Allows Cross-Workspace Resource Reassignment

Summary A Mass Assignment vulnerability exists in the variable update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating a variable resource. Due to missing server-side validation an...

PT-2026-41213

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.2 Description A mass assignment issue exists in the DatasetRow create and update processes. The application uses Object.assign to copy the request body into the DatasetRow entity without an explicit field allowlis...

PT-2026-40977

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.2 Description A mass assignment issue exists in the chatflow update endpoint. This occurs when an application takes user-provided data and applies it to an internal object without sufficient filtering, allowing...

PT-2026-41210

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.2 Description A mass assignment issue exists in the assistant create and update processes. The application uses Object.assign to copy the request body into the Assistant entity without an explicit field allowlist,...

PT-2026-41206

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.2 Description A mass assignment issue exists in the assistant update endpoint. This occurs when the server does not restrict which properties can be modified by the client, allowing user-controlled request bodies ...