vulnerability
Nginx: HTTP/2 request injection in the ngx_http_proxy_module (CVE-2026-42926)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:P/A:N) | May 14, 2026 | May 14, 2026 | May 14, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
May 14, 2026
Added
May 14, 2026
Modified
May 14, 2026
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.
Solutions
nginx-nginx-upgrade-1_30_1nginx-nginx-upgrade-1_31_0
Rapid7 Labs
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