by Kastro
Paper/Archive/CVE-2025-71327

CVE-2025-71327

Flowise Flowise — Flowise - Authentication Bypass via Unprotected Registration Endpoint

EPSS 0.7%public exploitCVSS 9.3
critical.is priorityof 100
48
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 52.2.522 × 2010.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Flowise3.0.1–CNA

Scores by source

VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
VulnCheck (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitgithub.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882writeupvulncheck.com/advisories/flowise-authentication-bypass-via-unprotected-registration-endpoint