| Component | Flowise |
| Severity | critical (CVSS 9.1) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| Published (NVD) | 2026-06-08 |
| Last modified | 2026-07-23 |
| Affected versions | flowise < 3.1.2 |
| Fixed in | 3.1.2 |
| Weakness | CWE-522 |
| CISA KEV | not listed |
NVD description
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, the checkBasicAuth endpoint validates credentials in plaintext without rate limiting and with direct comparison. This issue has been patched in version 3.1.2.
What to do
- Upgrade Flowise to
3.1.2or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-46440
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
- https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
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...