CVE-2026-91930
Flowise before 3.1.4 Cross-Tenant Organization Admin Takeover
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-266 |
| Vendor | flowiseai |
| Product | flowise |
| Published | Sep 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
FlowiseAI / Flowise
0 < 3.1.4
References
Credits
🔍 huslayer826