---
id: CVE-2026-32682
title: >-
  When NGINX Gateway Fabric is configured using GRPCRoutes, an authenticated,
  remote attacker with permission to create or modify GRPCRoute resources can
  cause the NGINX Gateway Fabric control plane to terminate by sending
  undisclosed GRPC…
summary: >-
  When NGINX Gateway Fabric is configured using GRPCRoutes, an authenticated,
  remote attacker with permission to create or modify GRPCRoute resources can
  cause the NGINX Gateway Fabric control plane to terminate by sending
  undisclosed GRPC…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-129
vendor: f5
product: nginx_gateway_fabric
affected:
  - 'nginx_gateway_fabric >= 1.3.0, <= 1.6.2'
  - 'nginx_gateway_fabric >= 2.0.0, < 2.6.4'
patched:
  - nginx_gateway_fabric 2.6.4
published: '2026-06-17'
updated: '2026-07-02'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-32682'
references:
  - url: 'https://my.f5.com/manage/s/article/K000161786'
    label: f5sirt@f5.com
tags:
  - nvd
epss: 0.00501
epssPercentile: 0.40341
ingestedAt: '2026-07-03T13:02:27.801Z'
---

## Overview

When NGINX Gateway Fabric is configured using GRPCRoutes, an authenticated, remote attacker with permission to create or modify GRPCRoute resources can cause the NGINX Gateway Fabric control plane to terminate by sending undisclosed GRPCRoute configurations containing backendRef filters. 


Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

## Affected

- `nginx_gateway_fabric >= 1.3.0, <= 1.6.2`
- `nginx_gateway_fabric >= 2.0.0, < 2.6.4`

## Remediation

Upgrade past the affected range:

- `nginx_gateway_fabric 2.6.4`