CVE-2026-32682

Medium

Description

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.

SeverityMedium

CVSS6.5

Exploit probability—

Product

F5 Nginx Gateway Fabric

PublishedJun 17, 2026

First seenJun 17, 2026

Weakness typeCWE-129CWE-129

How to fix

Update

f5 nginx_gateway_fabric2.6.4 or later

Vendor advisories

my.f5.com/manage/s/article/K000161786

Affected products

Product	Affected versions	Fixed in
f5 nginx_gateway_fabric	1.3.0 ≤ v ≤ 1.6.2, 2.0.0 ≤ v < 2.6.4	2.6.4

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