F5 Dos vulnerabilities

CVE-2026-42945 [HIGH] CWE-122 CVE-2026-42945: NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vu NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression (PCRE) capture (for example, $1, $2) with a replacement string that includes a question mark (?). An unauthent

CVE-2026-42055 [HIGH] CWE-122 CVE-2026-42055: NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_proxy_v2_module and ngx_http_g NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_proxy_v2_module and ngx_http_grpc_module modules. This vulnerability exists when the proxy_http_version to 2 or grpc_pass directives are used to proxy HTTP/2 traffic, the ignore_invalid_headers directive is set to off, and the large_client_header_buffers directive size is larger tha

CVE-2026-42946 [HIGH] CWE-789 CVE-2026-42946: A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules that may result 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 NGI

CVE-2026-40460 [MEDIUM] CWE-290 CVE-2026-40460: When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may b When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVE-2026-48142 [MEDIUM] CWE-125 CVE-2026-48142: NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_charset_module module. When co NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_charset_module module. When content is served or proxied through a location block with both source_charset utf-8; and a charset directive (for example, charset koi8-r;) configured, remote, unauthenticated attackers can send requests (in conjunction with conditions beyond their con

CVE-2026-40701 [MEDIUM] CWE-416 CVE-2026-40701: NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssl_module module when the ssl NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssl_module module when the ssl_verify_client directive is set to "on" or "optional," and the ssl_ocsp directive is set to "on" or the leaf parameters are configured with a resolver. With this configuration, an unauthenticated attacker can send requests along with conditions beyond