PSF-2026-15

CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host...

Host Header Injection

github.com/zitadel/zitadel is vulnerable to Host Header Injection. The vulnerability is due to improper validation of the Forwarded or X-Forwarded-Host headers when generating password reset links, which allows an attacker to manipulate the link to a malicious domain and capture the reset code,...

Security Bulletin: DevOps Test Performance contains a vulnerability related to use of the Undertow server core

Summary Due to use of Undertow, DevOps Test Performance and Rational Performance Tester contain a potential improper input validation vulnerability. CVE-2025-12543 Vulnerability Details CVEID:CVE-2025-12543 DESCRIPTION: A flaw was found in the Undertow HTTP server core, which is used in WildFly,...

Ruby Rack 3.x < 3.1.21 / 3.2.x < 3.2.6 Multiple Vulnerabilities

The version of the Rack Ruby library installed on the remote host is 3.0.0.beta1 or later but prior to 3.1.21, or is 3.2.0 or later but prior to 3.2.6. It is, therefore, affected by multiple vulnerabilities: - Rack::Multipart::Parserhandlemimehead parses quoted multipart parameters using repeated...

IBM Aspera Shares Input Validation Error Vulnerability (CNVD-2026-16874)

IBM Aspera Shares is a Web application from International Business Machines IBM. An input validation error vulnerability exists in IBM Aspera Shares. The vulnerability stems from improper input validation of the HOST header and can be exploited by an attacker to cause cross-site scripting, cache...

CVE-2026-35577

Apollo MCP Server is a Model Context Protocol server that exposes GraphQL operations as MCP tools. Prior to version 1.7.0, the Apollo MCP Server did not validate the Host header on incoming HTTP requests when using StreamableHTTP transport. In configurations where an HTTP-based MCP server is run ...

EUVD-2026-21061

Apollo MCP Server is a Model Context Protocol server that exposes GraphQL operations as MCP tools. Prior to version 1.7.0, the Apollo MCP Server did not validate the Host header on incoming HTTP requests when using StreamableHTTP transport. In configurations where an HTTP-based MCP server is run ...

CVE-2026-35577 Missing Host Header Validation in Apollo MCP Server for Localhost Deployments

Apollo MCP Server is a Model Context Protocol server that exposes GraphQL operations as MCP tools. Prior to version 1.7.0, the Apollo MCP Server did not validate the Host header on incoming HTTP requests when using StreamableHTTP transport. In configurations where an HTTP-based MCP server is run ...

CVE-2026-35577 Missing Host Header Validation in Apollo MCP Server for Localhost Deployments

Apollo MCP Server is a Model Context Protocol server that exposes GraphQL operations as MCP tools. Prior to version 1.7.0, the Apollo MCP Server did not validate the Host header on incoming HTTP requests when using StreamableHTTP transport. In configurations where an HTTP-based MCP server is run ...

CVE-2026-35577

CVE-2026-35577 affects Apollo MCP Server (GraphQL/MCP) prior to v1.7.0 where Host header validation was missing for HTTP StreamableHTTP transport. This could allow a local user running the MCP server on localhost to be influenced by a malicious site via DNS rebinding, bypassing same-origin policy...

CVE-2026-35577

Apollo MCP Server is a Model Context Protocol server that exposes GraphQL operations as MCP tools. Prior to version 1.7.0, the Apollo MCP Server did not validate the Host header on incoming HTTP requests when using StreamableHTTP transport. In configurations where an HTTP-based MCP server is run ...

Security Bulletin: Improper Host Header Validation in Undertow HTTP Server Enables Cache Poisoning and Session Hijacking affects watsonx.data

Summary A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed...

Apollo MCP Server 访问控制错误漏洞

The Apollo MCP Server is an open-source service from Apollo GraphQL that exposes GraphQL operations as AI tools. Versions of the Apollo MCP Server prior to 1.7.0 contained a access control vulnerability. This vulnerability stemmed from the lack of validation of the Host header in incoming HTTP...

PT-2026-31715

Apollo MCP Server is a Model Context Protocol server that exposes GraphQL operations as MCP tools. Prior to version 1.7.0, the Apollo MCP Server did not validate the Host header on incoming HTTP requests when using StreamableHTTP transport. In configurations where an HTTP-based MCP server is run ...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error through the lack CORS checks Host and Origin header validation on incoming HTTP connections. An attacker can gain unauthorized access to local or private-network servers by tricking a victim into visiting a...

Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands are vulnerable to loss of confidentiality (CVE-2026-27959)

Summary Node.js module Koa is used by IBM App Connect Enterprise Certified Container. IBM App Connect Enterprise Certified Container DesignerAuthoring operands are vulnerable to loss of confidentiality. This bulletin provides patch information to address the reported vulnerability in Node.js modu...

CVE-2026-35507

Shynet before 0.14.0 allows Host header injection in the password reset flow...

Linux Distros Unpatched Vulnerability : CVE-2026-34835

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Rack is a modular Ruby web server interface. From versions 3.0.0.beta1 to before 3.1.21, and 3.2.0 to before 3.2.6, Rack::Request parses the Host header using a...

SUSE CVE-2026-34835

Rack is a modular Ruby web server interface. From versions 3.0.0.beta1 to before 3.1.21, and 3.2.0 to before 3.2.6, Rack::Request parses the Host header using an AUTHORITY regular expression that accepts characters not permitted in RFC-compliant hostnames, including /, ?, , and @. Because req.hos...

Origin Validation Error

Overview signalk-server is an An implementation of a Signal K server for boats. Affected versions of this package are vulnerable to Origin Validation Error via the construction of the redirectUri and fullPostLogoutUri using an unvalidated Host header in the OIDC authentication and logout processe...