CVE-2026-42863 Flowise: Mass Assignment in Chatflow Update Endpoint Allows Cross-Workspace AgentFlow 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 chatflow update endpoint of FlowiseAI. The endpoint allows clients to modify server-controlled properties such as deployed, isPublic,...

CVE-2026-42863 Flowise: Mass Assignment in Chatflow Update Endpoint Allows Cross-Workspace AgentFlow 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 chatflow update endpoint of FlowiseAI. The endpoint allows clients to modify server-controlled properties such as deployed, isPublic,...

CVE-2026-42862

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-2026-42862

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-2026-42861 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

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,...

Flowise security vulnerabilities

Flowise is an open-source tool developed by FlowiseAI, designed for easily building LLM applications. Versions of Flowise prior to 3.1.2 contained security vulnerabilities. These vulnerabilities stemmed from issues with batch assignment during the creation and updating of CustomTemplates, which...

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...

Flowise security vulnerabilities

Flowise is an open-source tool developed by FlowiseAI, designed for easily building LLM applications. Versions of Flowise prior to 3.1.2 contained security vulnerabilities. These vulnerabilities stemmed from issues with batch assignment during evaluation and creation processes, which could lead t...

Flowise security vulnerabilities

Flowise is an open-source tool developed by FlowiseAI, designed for easily building LLM applications. Versions of Flowise prior to 3.1.2 contained a security vulnerability, which stemmed from issues with batch assignment during dataset creation and updating. This vulnerability could lead to...

Flowise Access Control Vulnerability

Flowise is an open-source tool developed by FlowiseAI, designed for easily building LLM applications. Versions of Flowise prior to 3.1.2 contained a access control vulnerability. This vulnerability stemmed from a lack of server-side verification and authorization checks at the tool’s update...

Flowise security vulnerabilities

Flowise is an open-source tool developed by FlowiseAI, designed for easily building LLM applications. Versions of Flowise prior to 3.1.2 contained security vulnerabilities. These vulnerabilities stemmed from issues with batch assignment during the creation and updating of evaluators, which could...