CVE-2025-59434

Estado: AplazadaCrítica (9.6)—

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.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Puntuación base: 9.6

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.40%
Percentil entre todas las CVEs puntuadas: 88
Fecha de la puntuación: 5/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement85 %
Impacto principalT1005 Data from Local Systemcollection90 %
Impacto secundarioT1552.007 Container APIcredential access85 %

Vulnerabilidad autenticada (PR:L) en servicio remoto Flowise que permite acceso no autorizado a variables de entorno de otros tenantes mediante nodo JavaScript personalizado, exponiendo secretos (claves API, credenciales AWS, tokens).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management Network Segmentation Vulnerability Scanning User Account Management Threat Intelligence Program Limit Access to Resource Over Network

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Flowiseai — Flowise^AI

CWE

CWE-200, CWE-284

Referencias

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-435c-mg9p-fv22

JSON original (NVD)

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          "version": "2.0.3",
          "timestamp": "2025-09-22T19:47:22.934320Z"
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          "integrityImpact": "HIGH",
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          "attackComplexity": "LOW",
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  "lastModified": "2026-09-30T17:10:00.187",
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