CVE-2025-71327

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.

CVSS 4.0

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

CVSS 3.1

9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-25)

CWE

CWE-306

Published

2026-06-25

Modified

2026-10-12

Record from

the NVD, synced 2026-10-19

Affected

• flowiseai:flowise

Packages (OSV)

References

• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882
• https://www.vulncheck.com/advisories/flowise-authentication-bypass-via-unprotected-registration-endpoint
• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882

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