FlowiseAI: Dataset create+update mass-assignment allows cross-workspace dataset takeover — CVE-2026-46477

Summary

## Summary **Type:** Mass assignment via `Object.assign(entity, body)` -> client-controlled `workspaceId` (and on create, `id`) overwritten on the Dataset entity -> cross-workspace data takeover and IDOR. **File:** `packages/server/src/services/dataset/index.ts` **Root cause:** The Dataset controller/service constructs a `new Dataset()` and copies the request body into it via `Object.assign(...)` without an…

Product

npm: flowise

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

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