FlowiseAI Flowise — Auth Bypass (CVE-2026-8027)
Date: 2026-05
Affected: flowiseai/flowise
Attack vector: auth-bypass
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2026-8027
CWE: CWE-285
CWE-639
CVSS: 4.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

A weakness has been identified in FlowiseAI Flowise up to 3.0.12. Affected by this vulnerability is an unknown functionality of the component User Controller Handler. This manipulation of the argument userId/organizationId/workspaceId/email causes authorization bypass. The attack may be initiated remotely. The affected component should be upgraded.


Mitigations:

Architectural layers (MAESTRO):