imPC@ndo IT

Tracker / CVE-2026-42926

CVE-2026-42926

Medium 5.8

When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxy_http_version to 2, and also uses proxy_set_body, an attacker may be able to inject frame headers and payload bytes to the upstream peer.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products and versions

f5 nginx_gateway_fabric · 1.3.0 → 1.6.2
f5 nginx_gateway_fabric · 2.0.0 → 2.6.0
f5 nginx_ingress_controller · 3.5.0 → 3.7.2
f5 nginx_ingress_controller · 4.0.0 → 4.0.1
f5 nginx_ingress_controller · 5.0.0 → 5.4.2
f5 nginx_instance_manager · 2.16.0 → 2.22.0
f5 nginx_open_source · 1.29.4 → 1.30.0

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References