Auth bypass in Flowiseai Flowise
CVE-2026-8027
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/emai…
EPSS: 0.000 (10.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Flowiseai Flowise — versions 3.0.0, 3.0.1, 3.0.2
Weakness classification (CWE)
References
- VDB-361274 | FlowiseAI Flowise User Controller authorization (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-361274 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #777657 | FlowiseAI Flowise <= 3.0.12 Authorization Bypass Through User-Controlled Key (CWE-639) (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (related, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-8027?
- CVE-2026-8027 is a medium-severity vulnerability in Flowiseai Flowise, classified under Improper Authorization. CVSS score: 4.3/10. Published 2026-05-06.
- How severe is CVE-2026-8027?
- Medium severity. CVSS v3 base score is 4.3 out of 10.