CVE-2026-42934: Out-of-bounds Read

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When charset, sourcecharset, and charsetmap and proxypass with disabled buffering "off" directives are configured, unauthenticated attackers can send requests that with conditions beyond the attackers' contr...

CVE-2026-42926: Encoding Error

When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxyhttpversion to 2, and also uses proxysetbody, an attacker may be able to inject frame headers and payload bytes to the upstream peer. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-40701: Use After Free

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-2026-40460: Authentication Bypass by Spoofing

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...

PT-2026-40648

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX Open Source affected versions not specified Description When configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address. This can lead to the bypass of...

F5 NGINX Plus和F5 NGINX Open Source 安全漏洞

F5 NGINX Plus and F5 NGINX Open Source are both products of the American company F5. F5 NGINX Plus is a software-based application delivery platform. F5 NGINX Open Source is a high-performance web server, reverse proxy server, load balancer, and API gateway. Both F5 NGINX Plus and F5 NGINX Open...

PT-2026-40655

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX Open Source affected versions not specified Description A heap-use-after-free error exists in the ngx http ssl module module. This occurs when the ssl verify client directive is set to "on" or...

PT-2026-40679

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX Open Source affected versions not specified Description A heap buffer over-read exists in the ngx http charset module module. This occurs when the charset, source charset, charset map, and proxy...

PT-2026-40682

Name of the Vulnerable Software and Affected Versions NGINX affected versions not specified Description An issue in the ngx http scgi module and ngx http uwsgi module modules can lead to excessive memory allocation or an over-read of data. When scgi pass or uwsgi pass is configured, an...

F5 NGINX Plus和F5 NGINX Open Source 安全漏洞

F5 NGINX Plus and F5 NGINX Open Source are both products of the American company F5. F5 NGINX Plus is a software-based application delivery platform. F5 NGINX Open Source is a high-performance web server, reverse proxy server, load balancer, and API gateway. Both F5 NGINX Plus and F5 NGINX Open...

PT-2026-40681

Name of the Vulnerable Software and Affected Versions NGINX Plus and NGINX Open Source versions 0.6.27 through 1.30.0 Description A heap buffer overflow exists in the ngx http rewrite module module. The issue occurs when a rewrite directive is followed by a rewrite, if, or set directive and...

CVE-2026-42945: Heap-based Buffer Overflow

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule 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 strin...

Exploit for CVE-2026-42945

NGINX Rift RCE Proof of concept for CVE-2026-42945, a cri...

CVE-2026-44015

Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwar...

EUVD-2026-29748

SPIP versions prior to 4.4.14 contain a remote code execution vulnerability in the public space that is limited to certain nginx configurations, allowing attackers to execute arbitrary code in the context of the web server. Attackers can exploit this vulnerability through specific nginx...

CVE-2026-44015 Nginx UI: Server-Side Request Forgery (SSRF) via Cluster Proxy Middleware Allows Access to Internal Services

Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwar...

CVE-2026-44015

CVE-2026-44015 describes SSRF in Nginx UI prior to 2.3.5 where an authenticated user can create a cluster node with an internal URL and trigger the Proxy middleware to forward requests using the X-Node-ID header, bypassing network segmentation and reaching localhost/internal services (including c...

CVE-2026-44015

Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwar...

CVE-2026-44015 Nginx UI: Server-Side Request Forgery (SSRF) via Cluster Proxy Middleware Allows Access to Internal Services

Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwar...

CVE-2026-44015

Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwar...