---
id: CVE-2026-47879
title: >-
  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

  Sp…
summary: >-
  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

  Sp…
severity: high
cvss: 7.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N'
cwe:
  - CWE-918
vendor: vmware
product: spring_cloud_gateway
affected:
  - spring_cloud_gateway < 3.1.14
  - 'spring_cloud_gateway >= 4.0.0, < 4.2.10'
  - 'spring_cloud_gateway >= 4.3.0, < 4.3.6'
  - 'spring_cloud_gateway >= 5.0.0, < 5.0.3'
patched:
  - spring_cloud_gateway 5.0.3
published: '2026-08-27'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T15:18:41.147'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-47879'
references:
  - url: 'https://spring.io/security/cve-2026-47879'
    label: security@vmware.com
tags:
  - nvd
epss: 0.0025
epssPercentile: 0.16702
ingestedAt: '2026-09-10T15:53:17.038Z'
---

## Overview

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

## Affected

- `spring_cloud_gateway < 3.1.14`
- `spring_cloud_gateway >= 4.0.0, < 4.2.10`
- `spring_cloud_gateway >= 4.3.0, < 4.3.6`
- `spring_cloud_gateway >= 5.0.0, < 5.0.3`

## Remediation

Upgrade past the affected range:

- `spring_cloud_gateway 5.0.3`