BaselineWatch
Desk

CVE-2026-42946

8.3 high SSVC exploitation: none Analyzed

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.3 · f5NVD modified 2026-10-26 14:10

Affected (CPE criteria) 8

  • cpe:2.3:a:f5:dos:*:*:*:*:*:nginx:*:*
  • cpe:2.3:a:f5:dos:4.8.0:*:*:*:*:nginx:*:*
  • cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:nginx_instance_manager:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:nginx_plus:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:waf:*:*:*:*:*:nginx:*:*

References 1