CVE-2026-42863: Flowise is a drag & drop user interface to build a customized large language model flow. Prior to ve…
- Occurred
- Jun 8, 2026
- Published
- Jun 8, 2026
- Source
- NVD CVE
Summary
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, workspaceId, createdDate, and updatedDate when updating a chatflow object. Due to missing server-side validation and authorization checks, an authenticated user can manipulate internal attributes of a chatflow and reassign it to another workspace. This allows cross-workspace resource reassignment and unauthorized modification of deployment and visibility settings. This issue has been patched in version 3.1.2.
Tags
- CVE
- CVE-2026-42863
- cvss:HIGH
Classification
Rationale: Mass assignment vulnerability allows unauthorized modification of server-controlled properties and cross-workspace resource reassignment.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8