CVE-2026-26747

A Host Header Poisoning vulnerability exists in Monica version 4.1.2 due to the improper handling of the HTTP Host header within app/Providers/AppServiceProvider.php. This issue is exacerbated by a default misconfiguration where app.force_url is set to false . Because the application generates ab...

PT-2026-21270

Name of the Vulnerable Software and Affected Versions Monica version 4.1.2 Description A Host Header Poisoning issue exists due to improper handling of the HTTP Host header in the file app/Providers/AppServiceProvider.php. This is combined with a default misconfiguration where app.force url is no...

CVE-2026-26747

A Host Header Poisoning vulnerability exists in Monica 4.1.2 due to improper handling of the HTTP Host header in app/Providers/AppServiceProvider.php, combined with the default misconfiguration where the "app.forceurl" is not set and default is "false". The application generates absolute URLs suc...

Ubuntu: Security Advisory (USN-8050-1)

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...

Apache Traffic Server Host Header Stability Scanner

This is a safe verification tool designed to detect abnormal Host header handling behavior in Apache Traffic Server without triggering denial of service conditions. The tool performs controlled HTTP requests and analyzes response stability, connection behavior, and service continuity...

📄 Apache Traffic Server 9.2.5 Denial of Service

Proof of concept remote denial of service exploit for Apache Traffic Server versions 9.2.0 through 9.2.5 that leverages the host header. ============================================================================================================================================= | Title : Apache...

CVE-2025-27901

IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 IBM Db2 Recovery Expert for Linux, UNIX and Windows 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,...

SUSE CVE-2025-66614

Improper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Older EOL...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : Apache Traffic Server vulnerability (USN-8050-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8050-1 advisory. Masakazu Kitajo discovered that Apache Traffic Server did not properly handle the Valid Host header field. An attacker could possibly use this...

USN-8050-1: Apache Traffic Server vulnerability

Masakazu Kitajo discovered that Apache Traffic Server did not properly handle the Valid Host header field. An attacker could possibly use this issue to cause a denial of service DoS...

USN-8050-1 trafficserver vulnerability

Masakazu Kitajo discovered that Apache Traffic Server did not properly handle the Valid Host header field. An attacker could possibly use this issue to cause a denial of service DoS...

mailcow: Dockerized Host Header Password Reset Poisoning Scanner

This Metasploit module adds a scanner for a Host header poisoning vulnerability in mailcow:dockerized versions prior to 2025-01a. The vulnerability occurs because the application improperly trusts the HTTP Host header when generating password reset links. By supplying a crafted Host header during...

Apache Tomcat - Client certificate verification bypass

Improper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Older EOL...

CVE-2025-27901

IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 IBM Db2 Recovery Expert for Linux, UNIX and Windows 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,...

CVE-2025-27901 Multiple vulnerabilities in IBM Java SDK affecting Db2 Recovery Expert for Linux, Unix and Windows

IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 IBM Db2 Recovery Expert for Linux, UNIX and Windows 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,...

CVE-2025-27901

IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 IBM Db2 Recovery Expert for Linux, UNIX and Windows 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,...

CVE-2025-66614

Improper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Older EOL...

CVE-2025-66614

Improper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Older EOL...

CVE-2025-66614

Improper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Older EOL...

CVE-2025-66614

CVE-2025-66614 is an improper input validation issue in Apache Tomcat. The vulnerability affects Tomcat versions 11.0.0-M1 through 11.0.14, 10.1.0-M1 through 10.1.49, and 9.0.0-M1 through 9.0.112, with older EOL versions (8.5.0–8.5.100) also listed as affected. The root cause is failure to verify...