Insufficient Session Expiration

Overview Affected versions of this package are vulnerable to Insufficient Session Expiration in the WebSocket authentication process. An attacker can maintain access to real-time events by keeping an active WebSocket connection open during global session revocation. Remediation Upgrade...

Insufficient Session Expiration

Overview Affected versions of this package are vulnerable to Insufficient Session Expiration in the WebSocket authentication process. An attacker can maintain access to real-time events by keeping an active WebSocket connection open during global session revocation. Remediation Upgrade...

CVE-2026-9162

Mattermost versions 11.7.x = 11.7.0, 11.6.x = 11.6.2, 11.5.x = 11.5.5, 10.11.x = 10.11.17 fail to invalidate cached authentication state for active WebSocket connections during global session revocation, which allows a user with an existing WebSocket connection to remain authenticated and continu...

PT-2026-51322

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.x through 10.11.17 Mattermost versions 11.5.x through 11.5.5 Mattermost versions 11.6.x through 11.6.2 Mattermost versions 11.7.x through 11.7.0 Description An issue exists where the system fails to invalidate cached...

PT-2026-50131

Name of the Vulnerable Software and Affected Versions Rocket.Chat versions prior to 8.5.1 Rocket.Chat versions prior to 8.4.4 Rocket.Chat versions prior to 8.3.6 Rocket.Chat versions prior to 8.2.6 Rocket.Chat versions prior to 8.1.6 Rocket.Chat versions prior to 8.0.7 Rocket.Chat versions prior ...

Security update for tomcat11

This update for tomcat11 fixes the following issues Update to Tomcat 11.0.22: CVE-2026-41284: Unbounded read in WebDAV LOCK and PROPFIND handling bsc1265162. CVE-2026-41293: HTTP/2 request headers not validated bsc1265163. CVE-2026-42498: WebSocket authentication header exposure bsc1265165...

CVE-2026-42498

A flaw was found in Apache Tomcat. During WebSocket authentication, the HTTP Authentication Header can be exposed to unexpected hosts. This vulnerability leads to information disclosure, potentially allowing an attacker to gain access to sensitive authentication credentials...

BIT-TOMCAT-2026-42498 Apache Tomcat: WebSocket authentication header exposure

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0 through 11.0.21, from 10.1.0 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through...

SUSE CVE-2026-42498

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through...

Linux Distros Unpatched Vulnerability : CVE-2026-42498

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: fro...

tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.

A flaw was found in Apache Tomcat. During WebSocket authentication, the HTTP Authentication Header can be exposed to unexpected hosts. This vulnerability leads to information disclosure, potentially allowing an attacker to gain access to sensitive authentication credentials...

DEBIAN-CVE-2026-42498

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through...

CVE-2026-42498 Apache Tomcat: WebSocket authentication header exposure

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through...

CVE-2026-42498

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through...

CVE-2026-42498 Apache Tomcat: WebSocket authentication header exposure

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through...

CVE-2026-42498

Apache Tomcat is vulnerable to an Information Disclosure flaw where the HTTP Authentication Header is exposed to unexpected hosts during WebSocket authentication . This issue specifically affects the tomcat-coyote component. The vulnerability impacts several versions, including Tomcat 11.0.0-M1 t...

CVE-2026-42498 Apache Tomcat: WebSocket authentication header exposure

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through...

Apache Tomcat information leakage vulnerability

Apache Tomcat is a lightweight web application server developed by the Apache Foundation in the United States. It supports Servlet and JavaServer Page JSP technologies. Apache Tomcat has a vulnerability related to information leakage, which stems from exposing HTTP authentication headers to...

CVE-2026-42498: Exposure of Sensitive Information to an Unauthorized Actor

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through...

tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.

A flaw was found in Apache Tomcat. During WebSocket authentication, the HTTP Authentication Header can be exposed to unexpected hosts. This vulnerability leads to information disclosure, potentially allowing an attacker to gain access to sensitive authentication credentials...