CVE-2026-42862

FlowiseAI (CVE-2026-42862) has a mass-assignment flaw in the tool update endpoint (PUT /api/v1/tools/{toolId}) that lets authenticated users modify server-controlled fields such as workspaceId, createdDate, and updatedDate without proper validation/authorization. This enables cross-workspace reas...

CVE-2026-42862 Flowise: Mass Assignment in Tool Update Endpoint Allows Cross-Workspace Resource Reassignment

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

CVE-2026-42862 Flowise: Mass Assignment in Tool Update Endpoint Allows Cross-Workspace Resource Reassignment

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

CVE-2026-42862 Flowise: Mass Assignment in Tool Update Endpoint Allows Cross-Workspace Resource Reassignment

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

EUVD-2026-35104

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

CVE-2026-42861

Summary: CVE-2026-42861 affects Flowise (pre-3.1.2) with a mass assignment flaw in the variable update endpoint. What’s vulnerable: the PUT /api/v1/variables/{variableId} endpoint allows authenticated users to modify server-controlled fields (workspaceId, createdDate, updatedDate) by submitting t...

CVE-2026-42861 Flowise: Mass Assignment in Variable Update Endpoint Allows Cross-Workspace Resource Reassignment

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

EUVD-2026-35103

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

CVE-2026-42861 Flowise: Mass Assignment in Variable Update Endpoint Allows Cross-Workspace Resource Reassignment

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

CVE-2026-42861

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

CVE-2026-42861 Flowise: Mass Assignment in Variable Update Endpoint Allows Cross-Workspace Resource Reassignment

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

CVE-2026-46479: Improperly Controlled Modification of Dynamically-Determined Object Attributes

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, evaluation create and update mass-assignment allows cross-workspace evaluation takeover. This issue has been patched in version 3.1.2...

CVE-2026-46477: Improperly Controlled Modification of Dynamically-Determined Object Attributes

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, dataset create and update mass-assignment allows cross-workspace dataset takeover. This issue has been patched in version 3.1.2...

CVE-2026-42861: Improper Access Control

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

CVE-2026-46480: Improperly Controlled Modification of Dynamically-Determined Object Attributes

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, evaluator create and update mass-assignment allows cross-workspace evaluator takeover. This issue has been patched in version 3.1.2...

CVE-2026-46475: Improperly Controlled Modification of Dynamically-Determined Object Attributes

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, assistant create and update mass-assignment allows cross-workspace assistant takeover. This issue has been patched in version 3.1.2...

CVE-2026-42863: Improper Access Control

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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,...

CVE-2026-46476: Improperly Controlled Modification of Dynamically-Determined Object Attributes

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, CustomTemplate create and update mass-assignment allows cross-workspace template takeover. This issue has been patched in version 3.1.2...

CVE-2026-46478: Improperly Controlled Modification of Dynamically-Determined Object Attributes

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, DatasetRow create and update mass-assignment allows cross-workspace row takeover. This issue has been patched in version 3.1.2...

CVE-2026-46441: Improper Access Control

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, 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...