CVE-2026-32682: F5 Nginx Gateway Fabric

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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 products

• F5 Nginx Gateway Fabric: from 1.3.0, up to and including 1.6.2; from 2.0.0, before 2.6.4 (fixed in 2.6.4)

Published 2026-06-17. Last modified 2026-07-02.