HIGHCVE-2026-42946Published Modified CNA f5
CVE-2026-42946: NGINX ngx_http_scgi_module and ngx_http_uwsgi_module vulnerability
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.
Metrics
- CVSS v4.0
- 8.3
- Severity
- HIGH
- Fixed in
- 1.30.1
- Affected Products
- 2
Affected packages
- F5 / NGINX Plus< R36 P4 (from R36) · < R32 P6 (from R32)Fixed in R37
- F5 / NGINX Open Source< 1.30.1 (from 0.8.42)Fixed in 1.31.0
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:NReferences