CVE-2026-47879

Estado: AnalizadaAlta (8.7)—

Spring Cloud Gateway JsonToGrpcGatewayFilterFactory allows arbitrary Spring Resource locations for defining the proto descriptor. Spring Cloud Gateway 5.0.0 - 5.0.2 Spring Cloud Gateway 4.3.0 - 4.3.5 Spring Cloud Gateway 4.0.0 - 4.2.9 Spring Cloud Gateway 3.1.13 and earlier

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Puntuación base: 8.7

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.33%
Percentil entre todas las CVEs puntuadas: 24
Fecha de la puntuación: 6/10/2026

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 movement90 %
Impacto principalT1090 Proxycommand and control85 %
Impacto secundarioT1565 Data Manipulationimpact75 %

CWE-918 (SSRF) permite a un atacante autenticado (PR:H) acceder a recursos arbitrarios mediante ubicaciones Spring Resource maliciosas, facilitando proxying no autorizado y potencial manipulación de datos. Red sin privilegios especiales previos descarta T1190.

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

Network Segmentation Vulnerability Scanning Threat Intelligence Program SSL/TLS Inspection Restrict File and Directory Permissions Privileged Account Management

Tecnologías afectadas (1)

Vmware — Spring Cloud Gateway

CWE

CWE-918

Referencias

https://spring.io/security/cve-2026-47879

JSON original (NVD)

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