CVE-2026-42889 Relay Server WebSocket authentication bypass when token is omitted

Relay adds real-time collaboration to Obsidian. Relay Server versions 0.9.0 through 0.9.6 contain an authentication bypass in the multi-document WebSocket endpoints. When authentication is configured, WebSocket connections without a token query parameter were incorrectly treated as having full...

CVE-2026-42889

Summary (CVE-2026-42889): Relay Server (used with Obsidian) versions 0.9.0–0.9.6 contain an authentication bypass in the multi-document WebSocket endpoints. When authentication is configured, WebSocket connections without a token query parameter were treated as having full server permissions, all...

CVE-2026-42889

Relay adds real-time collaboration to Obsidian. Relay Server versions 0.9.0 through 0.9.6 contain an authentication bypass in the multi-document WebSocket endpoints. When authentication is configured, WebSocket connections without a token query parameter were incorrectly treated as having full...

CVE-2026-42889 Relay Server WebSocket authentication bypass when token is omitted

Relay adds real-time collaboration to Obsidian. Relay Server versions 0.9.0 through 0.9.6 contain an authentication bypass in the multi-document WebSocket endpoints. When authentication is configured, WebSocket connections without a token query parameter were incorrectly treated as having full...

EUVD-2026-29792

Relay adds real-time collaboration to Obsidian. Relay Server versions 0.9.0 through 0.9.6 contain an authentication bypass in the multi-document WebSocket endpoints. When authentication is configured, WebSocket connections without a token query parameter were incorrectly treated as having full...

GHSA-FV25-8XCX-GQJC Apache Tomcat - WebSocket authentication header exposure

Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.2 to 9.0.117 Older, unsupported versions may also be affected Description: If a WebSocket request was redirected after authentication, Tomcat's WebSocket client would present the most recent...

Apache Tomcat - WebSocket authentication header exposure

Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.2 to 9.0.117 Older, unsupported versions may also be affected Description: If a WebSocket request was redirected after authentication, Tomcat's WebSocket client would present the most recent...

Exposure of Private Personal Information to an Unauthorized Actor

Overview Affected versions of this package are vulnerable to Exposure of Private Personal Information to an Unauthorized Actor in WebSocket client during authentication. An attacker can obtain sensitive HTTP authentication headers by initiating a WebSocket handshake with a malicious host...

Exposure of Private Personal Information to an Unauthorized Actor

Overview org.apache.tomcat:tomcat-websocket is a Tomcat WebSocket JSR356 implementation. Affected versions of this package are vulnerable to Exposure of Private Personal Information to an Unauthorized Actor in WebSocket client during authentication. An attacker can obtain sensitive HTTP...

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...

UBUNTU-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: 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

CVE-2026-42498 affects Apache Tomcat across multiple branches (7.0.83–7.0.109, 8.5.24–8.5.100, 9.0.2–9.0.117, 10.1.0-M1–10.1.54, 11.0.0-M1–11.0.21). Root cause: exposure of the HTTP Authentication header to unintended hosts during WebSocket authentication, enabling header leakage when a WebSocket...

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 信息泄露漏洞

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...

Relay Server 安全漏洞

Relay Server is an open-source system by System 3 that supports offline collaborative real-time document synchronization. There were security vulnerabilities in the Relay Server versions 0.9.0 to 0.9.6. These vulnerabilities stemmed from WebSocket endpoints for multiple documents, where WebSocket...

granian 输入验证错误漏洞

Granian is a high-performance Python HTTP server developed by Emmett under open source principles, using Rust as the programming language. Versions 1.2.0 to 2.7.4 of Granian contain a vulnerability related to input validation. This vulnerability arises when an unvalidated client sends a WebSocket...

PT-2026-41307

Name of the Vulnerable Software and Affected Versions ws versions prior to 8.20.1 Description ws is an open source WebSocket client and server for Node.js. The websocket.close function is susceptible to uninitialized memory disclosure, which occurs when a TypedArray is provided as the reason...

PT-2026-40070

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.21 Apache Tomcat versions 10.1.0-M1 through 10.1.54 Apache Tomcat versions 9.0.2 through 9.0.117 Apache Tomcat versions 8.5.24 through 8.5.100 Apache Tomcat versions 7.0.83 through 7.0.109...