All vulnerabilities

Servers and applications

CVE-2026-42946

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:…

Severity
High 8.3
Published
13 May 2026
Last changed
18 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
nginxServers and applications · cpe:a:f5:nginx_open_source
  • From 0.8.42 up to 0.9.7
  • From 1.0.0 up to 1.30.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-42946
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-42946