BIT-nginx-gateway-2026-42926

vendorUSosv

NGINX ngx_http_proxy_v2_module vulnerability

view advisory published 2026-05-15Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-42926US	—	0.35% (28th)	Exploit	2026-05-13
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 p…

references

External citations — patches, advisories, analysis.

https://my.f5.com/manage/s/article/K000161131ADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-42926WEB

scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan