CVE-2023-44487

CVE-2023-44487 – HTTP/2 Rapid Reset DoS Root cause: HTTP/2 stream resets can cause servers to continue processing, leading to unbounded resource consumption and potential DoS when clients rapidly cancel streams. What’s affected: Various HTTP/2 implementations and deployments, including servers, p...

CVE-2022-41741

Summary (CVE-2022-41741) : NGINX Open Source before 1.23.2 and 1.22.1, NGINX Open Source Subscription before R2 P1/R1 P1, and NGINX Plus before R27 P1/R26 P1, that are built with the ngx_http_mp4_module and have the mp4 directive enabled, are vulnerable to local memory corruption in the module. A...

CVE-2026-1642

The CVE-2026-1642 entry describes a vulnerability in NGINX OSS and NGINX Plus when configured to proxy to upstream TLS servers. Under a MITM position on the upstream side and conditions outside the attacker’s control, an attacker may inject plain text data into the response from an upstream proxi...

CVE-2022-41742

CVE-2022-41742 affects NGINX ngx_http_mp4_module when mp4 is enabled; a crafted MP4 file can cause local memory disclosure or worker crashes. Affected: NGINX Open Source before 1.23.2 and 1.22.1, NGINX Open Source Subscription before R2 P1/R1 P1, and NGINX Plus before R27 P1/R26 P1. Root cause: p...

CVE-2026-42945

CVE-2026-42945 affects NGINX Open Source and NGINX Plus via the ngx_http_rewrite_module when a rewrite/if/set directive is followed by a PCRE capture and a replacement containing a question mark. This can cause a heap buffer overflow in the worker process and, on systems with ASLR disabled, poten...

CVE-2024-10318

Summary of CVE-2024-10318: A session-fixation vulnerability in the NGINX OpenID Connect reference implementation arises from nonce validation being skipped at login. This allows an attacker to coerce a victim’s session to an attacker-controlled account, enabling potential misuse of the victim’s s...

CVE-2026-42055

CVE-2026-42055 affects NGINX Plus and NGINX Open Source via the ngx_http_proxy_v2_module and ngx_http_grpc_module. A remote, unauthenticated attacker can exploit scenarios where proxy_http_version 2 or grpc_pass is used, ignore_invalid_headers is off, and large_client_header_buffers is set to mul...

CVE-2026-42533

The CVE-2026-42533 entry concerns NGINX Plus and NGINX Open Source where a map directive that uses regex matching and a string expression references the map’s regex capture variables before the map output variable can be exploited. An unauthenticated attacker can trigger a heap buffer overflow in...

CVE-2026-9256

NGINX Plus and NGINX Open Source expose a vulnerability in the ngx_http_rewrite_module when a rewrite directive uses distinct, overlapping PCRE captures (e.g., ^/((.*))$) and the replacement references multiple captures (e.g., $1$2) in redirects or arguments. An unauthenticated attacker can send ...

CVE-2026-42530

Summary : NGINX Open Source’s ngx_http_v3_module vulnerability (CVE-2026-42530) occurs when HTTP/3 QUIC is enabled. A remote unauthenticated attacker can craft an HTTP/3 session to reopen a QPACK encoder stream, causing a Use-after-Free in the NGINX worker process and potentially triggering a res...

CVE-2026-56434

Summary: CVE-2026-56434 affects the nginx ngx_http_ssi_module in NGINX Plus and NGINX Open Source when SSI, proxy_pass, and proxy_buffering are configured off. An unauthenticated attacker with MITM control over upstream responses can trigger a heap buffer over-read in the nginx worker process, po...

CVE-2026-48142

CVE-2026-48142 affects the ngx_http_charset_module in NGINX Plus and NGINX Open Source. When a location block uses both source_charset utf-8 and a charset directive (e.g., charset koi8-r), remote unauthenticated attackers can trigger a heap buffer over-read in the NGINX worker process, causing me...

CVE-2026-60005

NGINX Plus and NGINX Open Source are affected by a vulnerability in the ngx_http_slice_module. When the slice directive and unnamed regex captures are configured, or during a background cache update, unauthenticated remote attackers can trigger uninitialized memory access in the worker process, p...

CVE-2026-42926

The connected F5 advisory confirms CVE-2026-42926 affects NGINX Open Source’s ngx_http_proxy_v2_module when proxy_http_version is set to 2 and proxy_set_body is used. The vulnerability allows a remote attacker to inject arbitrary HTTP/2 frame headers and payload bytes into the upstream connection...

CVE-2026-40460

CVE-2026-40460 affects NGINX Plus ngx_quic_module and NGINX Open Source when HTTP/3 QUIC is enabled. An attacker could spoof the source IP to bypass authorization or rate limiting, potentially enabling unauthorized access or DoS. Remediation per the connected advisory: upgrade to vulnerable-produ...

CVE-2026-42934

The CVE-2026-42934 entry concerns NGINX Plus and NGINX Open Source with a vulnerability in the ngx_http_charset_module. When charset, source_charset, and charset_map are configured together with proxy_pass having buffering disabled, unauthenticated attackers can trigger a heap buffer over-read in...

CVE-2021-23055

CVE-2021-23055 affects NGINX Ingress Controller: versions 2.x before 2.0.3 and 1.x before 1.12.3 allow Ingress resources to bypass the -enable-snippets restriction, enabling snippet injections via ingress service account. Impact reported as potential access to secrets; attacker must have Privileg...

CVE-2026-42946

A vulnerability CVE-2026-42946 affects the NGINX ngx_http_scgi_module and ngx_http_uwsgi_module. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker with MITM control over upstream responses may trigger excessive memory allocation or an out-of-bounds read in the NGINX worker, ...

CVE-2022-30535

CVE-2022-30535: summary Ingress Controller for NGINX (NGINX Ingress Controller) versions 2.x before 2.3.0 and all 1.x are affected. The issue allows an attacker who can create or update ingress objects to access secrets stored by the NGINX Ingress Controller, constituting a control-plane data dis...

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-2022-41743

The CVE-2022-41743 issue affects NGINX Plus versions R27 P1 and R26 P1 with the ngx_http_hls_module. A local attacker could trigger processing of a specially crafted audio/video file to corrupt NGINX worker memory, causing a crash or other impact. Exploitation is Local, requires low privileges, n...

CVE-2026-55723

CVE-2026-55723 betreft een injection kwetsbaarheid in de configuratie generator van de NGINX Ingress Controller. Bij configuratie via CRDs of Ingress-annotaties worden meerdere door de gebruiker beheerde velden in de gegenereerde NGINX-configuratie geschreven zonder sanering. Een geautoriseerde b...

CVE-2026-60065

CVE-2026-60065 affects NGINX Plus when the MQTT filter module (ngx_stream_mqtt_filter_module) is enabled. Unauthenticated attackers can send crafted requests to trigger a heap buffer over-read in an NGINX worker process, potentially causing a restart. Impact is limited to data-plane availability ...

CVE-2025-14727

CVE-2025-14727 affects the NGINX Ingress Controller due to improper validation of the nginx.org/rewrite-target annotation, enabling a path traversal style issue. The F5 advisory notes that the vulnerability is present in the 5.x line (5.3.0) and fixes were introduced in 5.3.1; other branches have...

CVE-2026-52865

CVE-2026-52865 affects the NGINX Ingress Controller. When processing Ingress or TransportServer resources, an authenticated remote attacker with write access to create/modify those resources can cause the NGINX Ingress Controller process to terminate, leading to a persistent crash loop in the con...