{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-71327", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-08T20:44:31.210Z", "datePublished": "2026-06-25T21:41:03.513Z", "dateUpdated": "2026-06-26T12:46:22.151Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-25T21:41:03.513Z" }, "datePublic": "2025-11-15T00:00:00.000Z", "title": "Flowise - Authentication Bypass via Unprotected Registration Endpoint", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Missing Authentication for Critical Function", "cweId": "CWE-306", "type": "CWE" } ] } ], "affected": [ { "vendor": "Flowise", "product": "Flowise", "defaultStatus": "unaffected", "packageURL": "pkg:npm/flowise", "versions": [ { "version": "3.0.1", "status": "affected", "versionType": "semver" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:flowiseai:flowise:3.0.1:*:*:*:*:*:*:*" } ] } ] } ], "metrics": [ { "cvssV4_0": { "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 9.3, "baseSeverity": "CRITICAL", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS" }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" }, "format": "CVSS" } ], "references": [ { "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882", "name": "GitHub Security Advisory (GHSA-v5w9-prxf-w882)", "tags": [ "vendor-advisory" ] }, { "name": "VulnCheck Advisory: Flowise - Authentication Bypass via Unprotected Registration Endpoint", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/flowise-authentication-bypass-via-unprotected-registration-endpoint" } ], "credits": [ { "lang": "en", "value": "ReeFSpeK", "type": "reporter" }, { "lang": "en", "value": "ERANV-EVA", "type": "reporter" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "references": [ { "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-26T12:46:18.399148Z", "id": "CVE-2025-71327", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-26T12:46:22.151Z" } } ] } }