PT-2026-50537 · F5 · Nginx Open Source+2
CVE-2026-50107
·
Published
2026-06-17
·
Updated
2026-07-12
CVSS v4.0
8.6
High
| Vector | AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Name of the Vulnerable Software and Affected Versions
NGINX Gateway Fabric (affected versions not specified)
Description
An injection issue exists in the NGINX configuration generator component of NGINX Gateway Fabric when NGINX Plus or NGINX Open Source is used as the data plane. User-supplied string values from the
NginxProxy Custom Resource Definition (CRD) access log format setting are rendered into NGINX configuration templates without proper sanitization or escaping. An authenticated attacker with permissions to create or modify these CRDs can inject arbitrary NGINX configuration directives. This is a control plane issue with no direct data plane exposure from the trigger.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Special Elements Injection
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Related Identifiers
Affected Products
Nginx Gateway Fabric
Nginx Open Source
Nginx Plus