CVE-2026-42861
CVE-2026-42861 · Flowise: Mass Assignment in Variable Update Endpoint Allows Cross-Workspace Resource Reassignment
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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, createdDate, and updatedDate when updating a variable resource. Due to missing server-side validation and authorization checks, an attacker can manipulate the workspaceId field and reassign variables to arbitrary workspaces. This behavior may break tenant isolation in multi-workspace environments. This issue has been patched in version 3.1.2.
CVSS 7.6 · Élevée · EPSS 0,3% · Correctif disponible
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Pile logicielle: node