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CVE-2026-42946

MEDIUM CVSS: 6.5 Published: 2026-05-13 Modified: 2026-06-18

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.

Affected Platforms

F5 WafF5 DosF5 Nginx Open SourceF5 Nginx Ingress ControllerF5 Nginx Gateway FabricF5 Nginx PlusF5 Nginx Instance Manager

Weakness Type

CWE-789, CWE-823

References