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CVE-2026-42861

9.6 CRITICAL

Flowise is a drag & drop user interface to build a customized large language model flow

Published: 2026-06-08 · Last updated: 2026-06-11

Severity and scoring

CVSS
9.6 CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CWE
CWE-284, CWE-639, CWE-915

Affected products

VendorProduct
flowiseaiflowise

Description

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.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-46480 — Flowise is a drag & drop user interface to build a customized large language model flow (8.8 HIGH)
  • CVE-2026-46444 — Flowise is a drag & drop user interface to build a customized large language model flow (8.8 HIGH)
  • CVE-2026-46443 — Flowise is a drag & drop user interface to build a customized large language model flow (6.5 MEDIUM)
  • CVE-2026-46442 — Flowise is a drag & drop user interface to build a customized large language model flow (9.9 CRITICAL)
  • CVE-2026-46441 — Flowise is a drag & drop user interface to build a customized large language model flow (9.6 CRITICAL)

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