Flowise – Authentication Bypass via Unprotected Registration Endpoint_CVE-2025-71327

{
    "lastseen": "",
    "description": "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.",
    "published": "2026-06-25T21:41:03.513Z",
    "modified": "2026-06-25T21:41:03.513Z",
    "type": "cve",
    "title": "Flowise - Authentication Bypass via Unprotected Registration Endpoint",
    "source": "VulnCheck",
    "references": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882\nhttps://www.vulncheck.com/advisories/flowise-authentication-bypass-via-unprotected-registration-endpoint",
    "id": "CVE-2025-71327",
    "bulletinFamily": "",
    "cwe": [
        "CWE-306"
    ],
    "cvelist": null,
    "sourceData": "Flowise Flowise 3.0.1",
    "sourceHref": "",
    "cvss": {
        "score": 9.3,
        "severity": "CRITICAL",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Flowise",
    "version": "3.0.1",
    "vendor": "Flowise",
    "ai_description": "Authentication bypass vulnerability in Flowise via unprotected registration endpoint",
    "ai_severity": "Critical",
    "ai_vendor": "Flowise",
    "ai_product": "Flowise",
    "ai_version": "3.0.1",
    "ai_score": 9.3
}