{"id":"CVE-2026-42946","state":"PUBLISHED","title":"NGINX ngx_http_scgi_module and ngx_http_uwsgi_module vulnerability","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.","publishedAt":"2026-05-13T14:12:44.697Z","updatedAt":"2026-05-13T16:06:56.898Z","severity":{"score":8.3,"label":"High","version":"4.0","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:N","source":"f5"},"assigner":"f5","products":["F5 NGINX Plus","F5 NGINX Open Source"],"affected":[{"vendor":"F5","product":"NGINX Plus","defaultStatus":"unknown","versions":[{"version":"R37","status":"unaffected","lessThan":"*","versionType":"custom"},{"version":"R36","status":"affected","lessThan":"R36 P4","versionType":"custom"},{"version":"R32","status":"affected","lessThan":"R32 P6","versionType":"custom"}],"modules":["ngx_http_scgi_module and ngx_http_uwsgi_module"]},{"vendor":"F5","product":"NGINX Open Source","defaultStatus":"unaffected","versions":[{"version":"1.31.0","status":"unaffected","lessThan":"*","versionType":"semver"},{"version":"0.8.42","status":"affected","lessThan":"1.30.1","versionType":"semver"}],"modules":["ngx_http_scgi_module and ngx_http_uwsgi_module"]}],"references":["https://my.f5.com/manage/s/article/K000161027"],"weaknesses":["CWE-789","CWE-823"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/42xxx/CVE-2026-42946.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42946","state":"PUBLISHED","datePublished":"2026-05-13T14:12:44.697Z","dateUpdated":"2026-05-13T16:06:56.898Z","assignerShortName":"f5","assignerOrgId":"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab","dateReserved":"2026-04-30T23:04:27.965Z"},"containers":{"cna":{"title":"NGINX ngx_http_scgi_module and ngx_http_uwsgi_module vulnerability","descriptions":[{"lang":"en","value":"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. 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