CVE-2026-45707 n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.2, when ENABLEMULTITENANT=true, the HTTP transport documents that the target n8n instance is selected per-request from x-n8n-url / x-n8n-key headers. Requests that...

CVE-2026-45707 n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.2, when ENABLEMULTITENANT=true, the HTTP transport documents that the target n8n instance is selected per-request from x-n8n-url / x-n8n-key headers. Requests that...

CVE-2026-46579

A flaw was found in the OpenShift Router. When a Route has insecureEdgeTerminationPolicy set to Allow, the HTTP frontend does not remove X-SSL-Client- headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted X-SSL-Client- headers. As a resul...

CVE-2026-46579

A flaw was found in the OpenShift Router. When a Route has insecureEdgeTerminationPolicy set to Allow, the HTTP frontend does not remove X-SSL-Client- headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted X-SSL-Client- headers. As a resul...

EUVD-2026-33274

A flaw was found in the OpenShift Router. When a Route has insecureEdgeTerminationPolicy set to Allow, the HTTP frontend does not remove X-SSL-Client- headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted X-SSL-Client- headers. As a resul...

CVE-2026-46579

A flaw was found in the OpenShift Router. When a Route has insecureEdgeTerminationPolicy set to Allow, the HTTP frontend does not remove X-SSL-Client- headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted X-SSL-Client- headers. As a resul...

CVE-2026-46579 Openshift/router: openshift/router: mtls client certificate spoofing via unstripped x-ssl-client headers on http frontend

A flaw was found in the OpenShift Router. When a Route has insecureEdgeTerminationPolicy set to Allow, the HTTP frontend does not remove X-SSL-Client- headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted X-SSL-Client- headers. As a resul...

CVE-2026-46579

OpenShift Router flaw: when Route.insecureEdgeTerminationPolicy is Allow, the HTTP frontend does not strip X-SSL-Client-* headers, enabling an unauthenticated attacker to craft requests that bypass mutual TLS authentication by impersonating client certificate identities. Affected component: OpenS...

CVE-2026-46579 Openshift/router: openshift/router: mtls client certificate spoofing via unstripped x-ssl-client headers on http frontend

A flaw was found in the OpenShift Router. When a Route has insecureEdgeTerminationPolicy set to Allow, the HTTP frontend does not remove X-SSL-Client- headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted X-SSL-Client- headers. As a resul...

PT-2026-44799

Name of the Vulnerable Software and Affected Versions OpenShift Router affected versions not specified Description A flaw in the HTTP frontend occurs when a Route has the insecureEdgeTerminationPolicy set to Allow. In this configuration, the router fails to remove X-SSL-Client- headers from...

n8n-MCP Access Control Vulnerability

n8n-MCP is a model context protocol server developed by Romuald Członkowski, an individual developer. Versions of n8n-MCP prior to 2.51.2 contained an access control vulnerability. This vulnerability arises when multi-tenant mode is enabled, and headers are omitted or only partially provided duri...

Red Hat OpenShift Container Platform Authorization Vulnerability

Red Hat OpenShift Container Platform is a platform developed by Red Hat Inc. It helps enterprises develop, deploy, and manage existing container-based applications across physical, virtual, and public cloud infrastructures. There is an authorization vulnerability in Red Hat OpenShift Container...

CVE-2026-45372: Improper Neutralization of CRLF Sequences

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, when cpp-httplib's server parses an incoming request, it applies percent-decoding to every header value except Location and Referer. The validity check isfieldvalue is run before decoding, so encode...

PT-2026-45023

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.4 Description NodeVM exposes process-wide observability builtins when they are permitted via require.builtin. Specifically, the diagnostics channel, async hooks, and perf hooks modules are not included in the dangero...

📄 Apache HTTP Server 2.4.66 Denial of Service

Apache HTTP Server version 2.4.66 modhttp2 double-free denial of service proof of concept exploit. Exploit Title: Apache HTTP Server 2.4.66 - 'modhttp2' Double-Free Denial of Service Google Dork: intext:"Apache/2.4.66" "HTTP/2" Date: 2026-05-06 Exploit Author: xeloxa https://github.com/xeloxa/...

CVE-2026-44883 Portainer: JWT accepted in URL query leaks tokens to logs and referers

Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. From 2.33.0 to before 2.33.8, 2.39.2, and 2.41.0, Portainer's authentication middleware accepts JWT bearer tokens passed...

EUVD-2026-33059

Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. From 2.33.0 to before 2.33.8, 2.39.2, and 2.41.0, Portainer's authentication middleware accepts JWT bearer tokens passed...

HTTP Response Splitting

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTTP Response Splitting via the serialize function. An attacker can inject arbitrary attributes into the Set-Cookie response header by supplying crafted input to the sameSite or priority...

USN-8343-1 multipart vulnerability

It was discovered that multipart had an ambiguous regular expression alternation when handling certain HTTP header values. A remote attacker could possibly use this issue to cause multipart to use excessive resources, leading to a denial of service...

USN-8343-1: multipart vulnerability

It was discovered that multipart had an ambiguous regular expression alternation when handling certain HTTP header values. A remote attacker could possibly use this issue to cause multipart to use excessive resources, leading to a denial of service...