Flowise contains an authentication bypass vulnerability in the unprotected /api/v1/account/register endpoint that allows unauthenticated attackers to create user accounts. Remote attackers can exploit this endpoint to register arbitrary accounts and authenticate to the system, gaining full API access without credentials.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882 Exploit, Vendor Advisory
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882 Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.3 · flowiseaiNVD modified 2026-10-12 21:10
Affected (CPE criteria) 1
cpe:2.3:a:flowiseai:flowise:3.0.1:*:*:*:*:*:*:*
References 3
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882 Exploit, Vendor Advisory
- https://www.vulncheck.com/advisories/flowise-authentication-bypass-via-unprotected-registration-endpoint Third Party Advisory
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882 Exploit, Vendor Advisory