{"id":"CVE-2025-71327","title":"Flowise contains an authentication bypass vulnerability in the unprotected /api/v1/account/register endpoint that allows unauthenticated attackers to create user accounts","summary":"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 …","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-306"],"vendor":"flowiseai","product":"flowise","affected":["flowise = 3.0.1"],"published":"2026-06-25","updated":"2026-09-30","sourceUpdated":"2026-09-30T16:10:00.223","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-71327","references":[{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/flowise-authentication-bypass-via-unprotected-registration-endpoint","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00675,"epssPercentile":0.50354,"ingestedAt":"2026-09-30T17:13:20.775Z","slug":"CVE-2025-71327","body":"## Overview\n\nFlowise 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.\n\n## Affected\n\n- `flowise = 3.0.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}