CVE-2026-70474

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{"affected": [{"affectedData": [{"product": "Flowise", "vendor": "FlowiseAI", "versions": [{"status": "affected", "version": "< 3.1.3"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*", "matchCriteriaId": "8C8B3FC2-6070-4400-9690-FCBE0C5C1D37", "versionEndExcluding": "3.1.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Flowise is a drag-and-drop user interface for building customized large language model (LLM) flows. Prior to 3.1.3, Flowise has three OAuth2 credential endpoints that look up credentials by id alone with no workspaceId filter. The authorize, callback, and refresh handlers query the Credential table by id only; callback and refresh are whitelisted from authentication. This allows any authenticated user to initiate OAuth2 flows against credentials belonging to other workspaces, allows an unauthenticated attacker to forge OAuth2 callbacks to overwrite tokens in any credential, and allows an unauthenticated attacker to refresh tokens for any credential. The affected routes include /api/v1/oauth2-credential/authorize/<VICTIM_CREDENTIAL_UUID>, /api/v1/oauth2-credential/callback?code=ATTACKER_AUTH_CODE&state=<VICTIM_CREDENTIAL_UUID>, and /api/v1/oauth2-credential/refresh/<VICTIM_CREDENTIAL_UUID>. This issue is fixed in version 3.1.3."}, {"lang": "es", "value": "Flowise es una interfaz de usuario de arrastrar y soltar para construir flujos personalizados de modelos de lenguaje grandes (LLM). Antes de la versi\u00f3n 3.1.3, Flowise tiene tres puntos finales de credenciales OAuth2 que buscan credenciales solo por id sin filtro de workspaceId. Los manejadores authorize, callback y refresh consultan la tabla Credential solo por id; callback y refresh est\u00e1n en la lista blanca de la autenticaci\u00f3n. Esto permite a cualquier usuario autenticado iniciar flujos OAuth2 contra credenciales pertenecientes a otros espacios de trabajo, permite a un atacante no autenticado forjar callbacks OAuth2 para sobrescribir tokens en cualquier credencial, y permite a un atacante no autenticado refrescar tokens para cualquier credencial. Las rutas afectadas incluyen /API/v1/oauth2-credential/authorize/[VICTIM_CREDENTIAL_UUID], /API/v1/oauth2-credential/callback?code=ATTACKER_AUTH_CODE y state=[VICTIM_CREDENTIAL_UUID], y /API/v1/oauth2-credential/refresh/[VICTIM_CREDENTIAL_UUID]. Este problema est\u00e1 solucionado en la versi\u00f3n 3.1.3."}], "id": "CVE-2026-70474", "lastModified": "2026-10-24T15:10:00.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-70474", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-05T13:27:06.711120Z", "version": "2.0.3"}}]}, "published": "2026-08-04T19:16:54.977", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/FlowiseAI/Flowise/releases/tag/flowise@3.1.3"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-wch5-xp77-fxg4"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-wch5-xp77-fxg4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.1.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Flowise", "source": "cna", "vendor": "FlowiseAI"}, "product": "flowise", "vendor": "flowiseai"}], "created": "2026-08-04T19:30:05.321211+00:00", "updated": "2026-08-04T19:45:03.524191+00:00", "vendors": ["flowiseai", "flowiseai$PRODUCT$flowise"]}