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CVE PROGRAM SOURCE RECORD8.3 High

CVE-2026-42946

NGINX ngx_http_scgi_module and ngx_http_uwsgi_module vulnerability

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Status
Published
Published
Updated
Assigning organization
f5

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

F5 NGINX Plus

Default version status: unknown

  • R37 to < *unaffected
  • R36 to < R36 P4affected
  • R32 to < R32 P6affected

F5 NGINX Open Source

Default version status: unaffected

  • 1.31.0 to < *unaffected
  • 0.8.42 to < 1.30.1affected

References