FKIE_CVE-2025-59434

Vulnerability from fkie_nvd - Published: 2025-09-22 20:15 - Updated: 2026-09-30 17:10
Severity
9.6 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to August 2025 Cloud-Hosted Flowise, an authenticated vulnerability in Flowise Cloud allows any user on the free tier to access sensitive environment variables from other tenants via the Custom JavaScript Function node. This includes secrets such as OpenAI API keys, AWS credentials, Supabase tokens, and Google Cloud secrets — resulting in a full cross-tenant data exposure. This issue has been patched in the August 2025 Cloud-Hosted Flowise.
References
security-advisories@github.comhttps://github.com/FlowiseAI/Flowise/security/advisories/GHSA-435c-mg9p-fv22
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Flowise",
          "vendor": "FlowiseAI",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c cloud-hosted (as of Aug 2025)"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Flowise is a drag \u0026 drop user interface to build a customized large language model flow. Prior to August 2025 Cloud-Hosted Flowise, an authenticated vulnerability in Flowise Cloud allows any user on the free tier to access sensitive environment variables from other tenants via the Custom JavaScript Function node. This includes secrets such as OpenAI API keys, AWS credentials, Supabase tokens, and Google Cloud secrets \u2014 resulting in a full cross-tenant data exposure. This issue has been patched in the August 2025 Cloud-Hosted Flowise."
    },
    {
      "lang": "es",
      "value": "Flowise es una interfaz de usuario de arrastrar y soltar para construir un flujo de modelo de lenguaje grande personalizado. Antes de Flowise Alojado en la Nube de agosto de 2025, una vulnerabilidad autenticada en Flowise Cloud permite a cualquier usuario del nivel gratuito acceder a variables de entorno sensibles de otros inquilinos a trav\u00e9s del nodo de Funci\u00f3n JavaScript Personalizada. Esto incluye secretos como claves API de OpenAI, credenciales de AWS, tokens de Supabase y secretos de Google Cloud - lo que resulta en una exposici\u00f3n completa de datos entre inquilinos. Este problema ha sido parcheado en Flowise Alojado en la Nube de agosto de 2025."
    }
  ],
  "id": "CVE-2025-59434",
  "lastModified": "2026-09-30T17:10:00.187",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.6,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 5.8,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-59434",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-09-22T19:47:22.934320Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-09-22T20:15:39.017",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-435c-mg9p-fv22"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        },
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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