CVE-2026-91930: Incorrect Privilege Assignment in FlowiseAI Flowise
Flowise before 3.1.4 fails to scope enterprise organization and workspace membership APIs to the caller's tenant, allowing authenticated users to supply arbitrary organization IDs. Attackers can add themselves as organization owners, create workspaces, and gain administrative access to victim organizations by exploiting insufficient tenant isolation in the organizationuser and workspace endpoints.
AI Analysis
Technical Summary
CVE-2026-91930 is an incorrect privilege assignment vulnerability in Flowise prior to version 3.1.4. The product fails to enforce tenant scoping on enterprise organization and workspace membership APIs, allowing authenticated users to supply arbitrary organization IDs. Exploiting this, attackers can add themselves as organization owners, create workspaces, and gain administrative access to organizations they do not belong to. This is due to insufficient tenant isolation in the organizationuser and workspace endpoints.
Potential Impact
Successful exploitation grants attackers administrative privileges within victim organizations, including the ability to add themselves as organization owners and create workspaces. This leads to full compromise of organizational resources managed by Flowise, impacting confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in Flowise version 3.1.4. Users should upgrade to version 3.1.4 or later to remediate this vulnerability. No vendor advisory was provided, but the affected versions and fixed version are clearly stated.
CVE-2026-91930: Incorrect Privilege Assignment in FlowiseAI Flowise
Description
Flowise before 3.1.4 fails to scope enterprise organization and workspace membership APIs to the caller's tenant, allowing authenticated users to supply arbitrary organization IDs. Attackers can add themselves as organization owners, create workspaces, and gain administrative access to victim organizations by exploiting insufficient tenant isolation in the organizationuser and workspace endpoints.
CVSS v3.1
Score 7.5high
Affected software
FlowiseAI
Flowise
pkg:github/flowiseai/FlowiseRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91930 is an incorrect privilege assignment vulnerability in Flowise prior to version 3.1.4. The product fails to enforce tenant scoping on enterprise organization and workspace membership APIs, allowing authenticated users to supply arbitrary organization IDs. Exploiting this, attackers can add themselves as organization owners, create workspaces, and gain administrative access to organizations they do not belong to. This is due to insufficient tenant isolation in the organizationuser and workspace endpoints.
Potential Impact
Successful exploitation grants attackers administrative privileges within victim organizations, including the ability to add themselves as organization owners and create workspaces. This leads to full compromise of organizational resources managed by Flowise, impacting confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in Flowise version 3.1.4. Users should upgrade to version 3.1.4 or later to remediate this vulnerability. No vendor advisory was provided, but the affected versions and fixed version are clearly stated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-15T11:06:02.263Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa9651855bf5e2cf502eaf8
Added to database: 09/15/2026, 15:32:40 UTC
Last enriched: 09/15/2026, 16:02:45 UTC
Last updated: 09/16/2026, 02:31:56 UTC
Views: 8
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