NPM: OpenClaw: MCP Streamable HTTP redirects could forward configured custom headers to another origin

NPM: OpenClaw: MCP Streamable HTTP redirects could forward configured custom headers to another origin vulnerability discovered by ? in WordPress Npm openclaw versions 2026.5.12...

GHSA-RJXQ-QQHF-8HWH OpenClaw: MCP Streamable HTTP redirects could forward configured custom headers to another origin

Summary OpenClaw supports remote MCP Streamable HTTP servers with operator-configured custom headers. In affected releases, those headers could be forwarded when the MCP endpoint responded with a cross-origin redirect. This issue is limited to configured MCP Streamable HTTP servers that use custo...

CVE-2026-9678 undici vulnerable to cross-user information disclosure via shared cache whitespace bypass

Impact: Undici's cache interceptor incorrectly classifies some responses as cacheable when the upstream Cache-Control header uses whitespace-padded qualified private or no-cache field names such as private=" authorization" or no-cache="\tauthorization". The parser preserves the surrounding...

Stack-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Stack-based Buffer Overflow in the rawtoheader function when processing TAR archive headers that contain non-null-terminated name or linkname fields. An attacker can cause a stack buffer overflow and potentially execute arbitrary code o...

netty-codec-haproxy: Netty HAProxy PROXY protocol v2 codec: Denial of Service via memory leak from crafted PROXY protocol headers

A flaw was found in the Netty HAProxy PROXY protocol v2 codec. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy PROXY protocol v2 header with nested PP2TYPESSL type-length-value TLV records. This can lead to a memory leak, causing the underlying cumulation...

ALPINE-CVE-2026-42055

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

CVE-2026-42055

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

DEBIAN-CVE-2026-42055

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

CVE-2026-42055 NGINX ngx_http_proxy_v2_module and ngx_http_grpc_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

CVE-2026-42055 NGINX ngx_http_proxy_v2_module and ngx_http_grpc_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

EUVD-2026-37718

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

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-2026-42055

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

CVE-2026-42055

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

K000161584: NGINX ngx_http_proxy_v2_module and ngx_http_grpc_module vulnerability CVE-2026-42055

Security Advisory Description NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is se...

CVE-2026-10836 Improper neutralization of HTTP headers in Password Manager

Improper handling of HTTP headers that allows a remote attacker to manipulate the value of the Host header using specially crafted requests. A successful exploit could result in the generation of manipulated links or responses, potentially leading to limited information disclosure or compromising...

IP Address Spoofing

Spring Cloud Gateway is vulnerable to IP Address Spoofing. The vulnerability is due to improper trust of X-Forwarded-For and Forwarded headers from untrusted proxies, allowing attackers to supply forged client IP information that may be used by downstream applications for security decisions,...

CVE-2026-27869

The CVE-2026-27869 entry concerns the Regesta Smart HD-PLC by Teldat (model TLDPH16D2, 11.02.05.10.02). An attacker on the network can perform a Slow Loris-style attack to cause a Denial of Service on the device’s web interface. The impact is a DoS with network access and low attack complexity; c...

PT-2026-50515

Name of the Vulnerable Software and Affected Versions undici versions prior to 7.28.0 undici versions prior to 8.5.0 Description The cache interceptor incorrectly classifies certain responses as cacheable when the upstream Cache-Control header contains whitespace-padded qualified private or...

PT-2026-50438

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX Open Source affected versions not specified Description A flaw in the ngx http proxy v2 module and ngx http grpc module modules allows a remote, unauthenticated attacker to trigger a heap-based...