Vulnerability · Published Oct 14, 2026 · Assigned by f5

CVE-2026-96615NGINX Gateway Fabric vulnerability

Medium 6.5

In plain English

A medium-severity authentication bypass by spoofing in NGINX Gateway Fabric from F5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.3%top 82.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Description NGINX Gateway Fabric has a vulnerability when it is configured with Gateway Custom Resource Definition (CRD) and have an authenticated gRPC connection with NGINX Agent. A namespaced authenticated attacker with access to a service account may impersonate the authenticated NGINX Agent gRPC connection to read TLS private keys of Gateway deployments in another namespace. Impact A remote authenticated attacker may be able to read TLS private keys of Gateway deployments in another namespace. There is no data plane exposure; this is a control plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products (as reported)

Vendor	Product	Versions
F5	NGINX Gateway Fabric	2.0.0 – before 2.8.0

Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

https://my.f5.com/manage/s/article/K000162610 vendor-advisory