| Component | Flowise |
| Severity | medium (CVSS 4.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| Published (NVD) | 2026-05-06 |
| Last modified | 2026-06-17 |
| Affected versions | flowise <= 3.0.12 |
| Fixed in | see the vendor advisory |
| Weakness | CWE-285CWE-639 |
| CISA KEV | not listed |
NVD description
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.
What to do
- NVD lists no fixed version yet: follow the vendor advisory below and keep Flowise off the public internet until a fix ships.
- Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-8027
- https://gist.github.com/YLChen-007/3584e6ffa0bba6367328ecf0b46b0e4b
- https://vuldb.com/submit/777657
- https://vuldb.com/vuln/361274
- https://vuldb.com/vuln/361274/cti
Other Flowise CVEs
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Flowise through 3.1.4 contains missing route-level RBAC checks on chat message endpoints that allow low-privileged API keys to read and dele...
Flowise (npm packages `flowise` and `flowise-components`) through 3.1.4 looks up credentials by ID without filtering on the requesting user'...
Flowise through 3.1.4 resolves SSO and local-password users solely by email without storing provider or subject identifier bindings, allowin...
Flowise through 3.1.4 (Enterprise/platform mode with SSO enabled) contains an authentication bypass in the SSO login path. When an SSO callb...