BIT-NGINX-GATEWAY-2026-40701 NGINX ngx_http_ssl_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is set to "on" or the leaf parameters are configured with a resolver. With this configuration, an unauthenticated attacke...

CVE-2026-40701

The CVE-2026-40701 entry concerns NGINX’s ngx_http_ssl_module where enabling ssl_verify_client (on/optional) with ssl_ocsp (on) or leaf resolver configurations can cause a heap-use-after-free in the NGINX worker process. Impact is limited data modification or worker restart. Affected products inc...

CVE-2026-40701

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is set to "on" or the leaf parameters are configured with a resolver. With this configuration, an unauthenticated attacke...