CVE-2002-1908

Microsoft IIS 5.0 and 5.1 allows remote attackers to cause a denial of service CPU consumption via an HTTP request with a Host header that contains a large number of "/" forward slash characters...

CVE-2009-1211

Blue Coat ProxySG, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet...

CVE-2009-0802

Qbik WinGate, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites,...

CVE-2025-32962

Flask-AppBuilder is an application development framework built on top of Flask. Versions prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Flask-AppBuilder 4.6.2 introduced the FABSAFEREDIRECTHOSTS...

CVE-2025-40631

HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected...

Open Redirect

Overview Flask-AppBuilder is a simple and rapid application development framework, built on top of Flask. includes detailed security, auto CRUD generation for your models, google charts and much more. Affected versions of this package are vulnerable to Open Redirect through the manipulation of th...

CVE-2025-32962

Flask-AppBuilder is an application development framework built on top of Flask. Versions prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Flask-AppBuilder 4.6.2 introduced the FABSAFEREDIRECTHOSTS...

CVE-2025-32962

CVE-2025-32962 affects Flask-AppBuilder before 4.6.2. An unauthenticated attacker can trigger an open redirect by manipulating the HTTP Host header. The root cause is insufficient validation of redirect targets. The advisory notes that Flask-AppBuilder 4.6.2 introduces the FAB_SAFE_REDIRECT_HOSTS...

CVE-2025-32962 Flask-AppBuilder open redirect vulnerability using HTTP host injection

Flask-AppBuilder is an application development framework built on top of Flask. Versions prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Flask-AppBuilder 4.6.2 introduced the FABSAFEREDIRECTHOSTS...

CVE-2025-40631

HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected...

CVE-2025-40631

HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected...

CVE-2025-40631 HTTP host header injection vulnerability in IceWarp Mail Server

HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected...

CVE-2025-40631 HTTP host header injection vulnerability in IceWarp Mail Server

HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected...

CVE-2025-40631

CVE-2025-40631 describes an HTTP Host header injection affecting IceWarp Mail Server, version 11.4.0. By modifying the Host header and delivering a payload, arbitrary JavaScript can be executed on the loaded page when a user interacts with a malicious link (redirect). The vulnerability is tied to...

PT-2025-21634 · Icewarp · Icewarp Mail Server

Name of the Vulnerable Software and Affected Versions: Icwarp Mail Server version 11.4.0 Description: The issue allows for HTTP host header injection, enabling the execution of arbitrary JavaScript code on page load when a user interacts with a malicious link. This is achieved by modifying the Ho...

PT-2025-21650

Name of the Vulnerable Software and Affected Versions: Flask-AppBuilder versions prior to 4.6.2 Description: The issue allows a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Flask-AppBuilder 4.6.2 introduced the FAB SAFE REDIRECT HOS...

IceWarp Mail Server 安全漏洞

IceWarp Mail Server is a mail server product from the Czech company IceWarp. The product supports email archiving, SmartAttach attachments, automatic migration and more. A security vulnerability exists in IceWarp Mail Server version 11.4.0, which originates from HTTP host header injection and cou...

Flask App Builder 输入验证错误漏洞

Flask App Builder is a simple and fast application development framework by Daniel Vaz Gaspar Personal Developer. An input validation error vulnerability exists in Flask App Builder versions prior to 4.6.2, which stems from an unvalidated host header and could lead to an open redirect...

Medium: pcs

Issue Overview: Versions of the package sinatra from 0.0.0 are vulnerable to Reliance on Untrusted Inputs in a Security Decision via the X-Forwarded-Host XFH header. When making a request to a method with redirect applied, it is possible to trigger an Open Redirect Attack by inserting an arbitrar...

Amazon Linux 2 : pcs (ALAS-2025-2853)

The version of pcs installed on the remote host is prior to 0.9.169-3. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2853 advisory. Versions of the package sinatra from 0.0.0 are vulnerable to Reliance on Untrusted Inputs in a Security Decision via the...