Undertow HTTP server core doesn't properly validate the Host header in incoming HTTP requests

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 withou...

CVE-2025-66686

A stored Cross-Site Scripting XSS vulnerability exists in Perch CMS version 3.2. An authenticated attacker with administrative privileges can inject malicious JavaScript code into the “Help button url” setting within the admin panel. The injected payload is stored and executed when any...

CVE-2025-66686

A stored Cross-Site Scripting XSS vulnerability exists in Perch CMS version 3.2. An authenticated attacker with administrative privileges can inject malicious JavaScript code into the “Help button url” setting within the admin panel. The injected payload is stored and executed when any...

DEBIAN-CVE-2025-12543

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 without...

CVE-2025-12543

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 without...

CVE-2025-12543

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 without...

CVE-2025-12543

Undertow core in WildFly/JBoss EAP is affected by CVE-2025-12543 due to improper validation of the Host header in HTTP requests. This can allow cache poisoning, internal network discovery, or user session hijacking. The CVSSv3.1 base score is 9.6 (CRITICAL) with network access, low attack complex...

CVE-2025-12543

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 without...

CVE-2025-12543

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 without...

CVE-2025-12543

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 without...

CVE-1999-0699

The Bluestone Sapphire web server allows session hijacking via easily guessable session IDs...

CVE-2024-2493

Session Hijacking vulnerability in Hitachi Ops Center Analyzer.This issue affects Hitachi Ops Center Analyzer: from 10.0.0-00 before 11.0.1-00...

PT-2026-1665

Name of the Vulnerable Software and Affected Versions Undertow versions affected versions not specified WildFly versions affected versions not specified JBoss EAP versions affected versions not specified Description A flaw exists in the Undertow HTTP server core, utilized by WildFly, JBoss EAP, a...

Red Hat Undertow 安全漏洞

Red Hat Undertow is a Java-based embedded web server from Red Hat, Inc. and is the default web server for Wildfly Java Application Server. A security vulnerability exists in Red Hat Undertow that stems from not properly validating the Host header, which could lead to cache poisoning, internal...

CVE-2025-66686: Improper Neutralization of Input During Web Page Generation

A stored Cross-Site Scripting XSS vulnerability exists in Perch CMS version 3.2. An authenticated attacker with administrative privileges can inject malicious JavaScript code into the “Help button url” setting within the admin panel. The injected payload is stored and executed when any...

CVE-2025-12543: Improper Input Validation

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 without...

CVE-2020-36925

Arteco Web Client DVR/NVR contains a session hijacking vulnerability with insufficient session ID complexity that allows remote attackers to bypass authentication. Attackers can brute force session IDs within a specific numeric range to obtain valid sessions and access live camera streams without...

CVE-2020-36924

Sony BRAVIA Digital Signage 1.7.8 contains a remote file inclusion vulnerability that allows attackers to inject arbitrary client-side scripts through the content material URL parameter. Attackers can exploit this vulnerability to hijack user sessions, execute cross-site scripting code, and modif...

CVE-2020-36924

Sony BRAVIA Digital Signage 1.7.8 contains a remote file inclusion vulnerability that allows attackers to inject arbitrary client-side scripts through the content material URL parameter. Attackers can exploit this vulnerability to hijack user sessions, execute cross-site scripting code, and modif...

CVE-2020-36925

CVE-2020-36925 affects the Arteco Web Client DVR/NVR. The issue is a session hijacking vulnerability caused by insufficient session ID complexity, enabling attackers to brute‑force session IDs within a numeric range to bypass authentication and gain access to live camera streams. The available do...