CVE-2026-42926

CVE-2026-42926CVE-2026-42926

f5 / nginx_gateway_fabric

Description

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.

Scoring

CVSS 5.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Last modified2026-06-18
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.