NGINX ngx_http_scgi_module and ngx_http_uwsgi_module vulnerability_CVE-2026-42946

6.5 / 10

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L

Description

A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules that may result in excessive memory allocation or an over-read of data. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker with man-in-the-middle (MITM) ability to control responses from an upstream server may be able to read the memory of the NGINX worker process or restart it. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Basic Information

ID CVE-2026-42946

Source f5

Published May 13, 2026 at 14:12

Affected Product

Vendor F5

Product NGINX Plus

Version R37

Affected Versions F5 NGINX Plus R36
F5 NGINX Plus R32
F5 NGINX Open Source 0.8.42

CWE Classification

CWE-789 CWE-823

References

my.f5.com /manage/s/article/K000161027

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