CVE-2026-34083

Signal K Server (signalk-server) prior to v2.24.0 contains a code-level vulnerability in its OIDC login/logout flow where an unvalidated HTTP Host header is used to construct the OAuth2 redirect_uri. Because redirectUri is silently unset by default, an attacker can spoof the Host header to direct...

CVE-2026-34801 Endian Firewall /manage/dhcp/fixed_leases/ remark Stored Cross-Site Scripting

Endian Firewall version 3.3.25 and prior allow stored cross-site scripting XSS via the remark parameter to /manage/dhcp/fixedleases/. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page...

CVE-2026-5333

A security flaw has been discovered in DefaultFuction Content-Management-System 1.0. This issue affects some unknown processing of the file /admin/tools.php. The manipulation of the argument host results in command injection. The attack can be executed remotely. The exploit has been released to t...

CVE-2026-5333 DefaultFuction Content-Management-System tools.php command injection

A security flaw has been discovered in DefaultFuction Content-Management-System 1.0. This issue affects some unknown processing of the file /admin/tools.php. The manipulation of the argument host results in command injection. The attack can be executed remotely. The exploit has been released to t...

CVE-2026-5333 DefaultFuction Content-Management-System tools.php command injection

A security flaw has been discovered in DefaultFuction Content-Management-System 1.0. This issue affects some unknown processing of the file /admin/tools.php. The manipulation of the argument host results in command injection. The attack can be executed remotely. The exploit has been released to t...

CVE-2026-5333

CVE-2026-5333 affects DefaultFuction Content-Management-System 1.0. The issue is a command-injection vulnerability caused by manipulation of the host argument in the file /admin/tools.php. It can be exploited remotely. The connected sources consistently describe the vulnerability as affecting thi...

CVE-2026-5333 DefaultFuction Content-Management-System tools.php command injection

A security flaw has been discovered in DefaultFuction Content-Management-System 1.0. This issue affects some unknown processing of the file /admin/tools.php. The manipulation of the argument host results in command injection. The attack can be executed remotely. The exploit has been released to t...

USN-8144-1: Undertow vulnerability

It was discovered that Undertow incorrectly validated the Host header in incoming HTTP requests. A remote attacker could possibly use this issue to gain unintended access to user sessions...

USN-8144-1 undertow vulnerability

It was discovered that Undertow incorrectly validated the Host header in incoming HTTP requests. A remote attacker could possibly use this issue to gain unintended access to user sessions...

Heimdall - Host Header Injection & Open Redirect

LinuxServer.io Heimdall 2.6.3-ls307 contains a host header injection caused by improper validation of user-supplied HTTP headers X-Forwarded-Host and Referer, letting unauthenticated remote attackers perform host header injection and open redirect attacks, exploit requires no special privileges...

EUVD-2025-209182

IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking...

PT-2026-29740

A security flaw has been discovered in DefaultFuction Content-Management-System 1.0. This issue affects some unknown processing of the file /admin/tools.php. The manipulation of the argument host results in command injection. The attack can be executed remotely. The exploit has been released to t...

PT-2026-29741

Szafir SDK Web is a browser plug-in that can run SzafirHost application which download the necessary files when launched. In Szafir SDK Web it is possible to change the URL HTTP Origin of the application call location. An unauthenticated attacker can craft a website that is able to launch...

Ubuntu: Security Advisory (USN-8143-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

PT-2026-29857

Rack versions 3.0.0.beta1 through 3.1.21, and 3.2.0 through 3.2.6 are affected by an issue where the Rack::Request component improperly parses the Host header, accepting characters not permitted in RFC-compliant hostnames such as /, ?, , and @. This can lead to host header poisoning in applicatio...

Content Management System 命令注入漏洞

Content Management System is a lightweight content management system developed by DefaultFunction’s individual developer. Version 1.0 of Content Management System has a command injection vulnerability. This vulnerability stems from improper handling of the ‘host’ parameter in the ‘admin/tools.php...

Linux Distros Unpatched Vulnerability : CVE-2026-23402

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another...

Signal K Server 安全漏洞

The Signal K Server is an open-source marine central server developed by Signal K. Versions of the Signal K Server prior to 2.24.0 contained security vulnerabilities. These vulnerabilities stemmed from the use of unvalidated Host headers in constructing redirect URIs, which could lead to the thef...

Rack::Request accepts invalid Host characters, enabling host allowlist bypass

Summary Rack::Request parses the Host header using an AUTHORITY regular expression that accepts characters not permitted in RFC-compliant hostnames, including /, ?, , and @. Because req.host returns the full parsed value, applications that validate hosts using naive prefix or suffix checks can be...

Rack 安全漏洞

Rack is a modular Ruby web server interface developed by Rack authors. Versions of Rack prior to 3.1.21 and 3.2.6 contained security vulnerabilities. These vulnerabilities stemmed from the use of the AUTHORITY regular expression for parsing Host headers in Rack::Request, allowing illegal characte...