GHSA-3WWX-PV8P-Q78V undici vulnerable to Denial of Service via unhandled error in WebSocket permessage-deflate decompression

Impact undici's WebSocket client including Node.js's bundled globalThis.WebSocket crashes the entire Node.js process when a remote WebSocket peer sends a permessage-deflate compressed message that crosses the decompressed-payload size limit and then contains a malformed DEFLATE block. In...

GO-2026-6482 Mattermost doesn't invalidate cached authentication state for active WebSocket connections during global session revocation in github.com/mattermost/mattermost-server

Mattermost doesn't invalidate cached authentication state for active WebSocket connections during global session revocation in github.com/mattermost/mattermost-server...

K000163436: Apache Tomcat vulnerabilities CVE-2026-73581, CVE-2026-76183, CVE-2026-77762, and CVE-2026-79677

Security Advisory Description CVE-2026-73581 Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M...

CVE-2026-87022

A flaw was found in Apache Tomcat. This vulnerability, related to improper handling of length parameters, allows for WebSocket message smuggling when the 'per-message-deflate' extension is in use. A remote attacker could exploit this to bypass security controls or inject malicious data into...

CVE-2026-79677

A flaw was found in Apache Tomcat. This vulnerability allows a remote attacker to cause a Denial of Service DoS by exploiting lost timeouts for asynchronous WebSocket writes. This can lead to the affected system becoming unresponsive or unavailable...

CVE-2026-77791

A flaw was found in Apache Tomcat. An uncontrolled resource consumption vulnerability occurs when sending a WebSocket close message, which can lead to a busy wait condition. A remote attacker could exploit this to cause a Denial of Service DoS by making the server unresponsive. Mitigation Red Hat...

CVE-2026-76183

A flaw was found in Apache Tomcat. This vulnerability, known as an 'Authentication Bypass by Alternate Name', allows an attacker to bypass the security restrictions set for WebSocket endpoints. This means that unauthorized users could gain access to protected resources or functionality, potential...

Uncontrolled Resource Consumption

Apache Tomcat is vulnerable to Uncontrolled Resource Consumption. The vulnerability is due to improper resource management in the WebSocket chat example application, which allows an attacker to consume excessive server resources and potentially cause a denial-of-service condition...

CVE-2026-82932 Missing Firewall Configuration in mH-DEVELOPER

mH-DEVELOPER smart home module does not load any firewall rules at startup. This leaves all listening services, including SSH, HTTP, WebSocket, and Node-RED, fully exposed on the LAN without access control. Any client on the same network can reach every service. This issue was fixed in...

CVE-2026-82930 Missing Authentication in mH-DEVELOPER

mH-DEVELOPER smart home module does not verify tokens in its authorization middleware, leaving all HTTP API and WebSocket endpoints accessible without authentication. An unauthenticated attacker on the LAN can query these endpoints, access system information, and send raw control commands to...

CVE-2026-82930 Missing Authentication in mH-DEVELOPER

mH-DEVELOPER smart home module does not verify tokens in its authorization middleware, leaving all HTTP API and WebSocket endpoints accessible without authentication. An unauthenticated attacker on the LAN can query these endpoints, access system information, and send raw control commands to...

CVE-2026-82930

The mH-DEVELOPER smart home module contains a vulnerability where the authorization middleware fails to verify tokens. This flaw leaves all HTTP API and WebSocket endpoints accessible without authentication. An unauthenticated attacker on the LAN can exploit this to query endpoints, access system...

ROOT-APP-NPM-CVE-2026-48779 CVE-2026-48779 in ws - Patched by Root

Root has patched CVE-2026-48779 in the ws package for Root:npm. Multiple fixed versions available...

ROOT-APP-NPM-CVE-2024-37890 CVE-2024-37890 in ws - Patched by Root

Root has patched CVE-2024-37890 in the ws package for Root:npm. Multiple fixed versions available...

Marimo 0.20.4 Terminal WebSocket Authentication Bypass

Marimo versions before 0.23.0 contain a missing authentication vulnerability in the terminal WebSocket endpoint that may allow unauthenticated remote command execution...

CVE-2026-82932: Improper Restriction of Communication Channel to Intended Endpoints

mH-DEVELOPER smart home module does not load any firewall rules at startup. This leaves all listening services, including SSH, HTTP, WebSocket, and Node-RED, fully exposed on the LAN without access control. Any client on the same network can reach every service. This issue was fixed in...

CVE-2026-82930: Missing Authentication for Critical Function

mH-DEVELOPER smart home module does not verify tokens in its authorization middleware, leaving all HTTP API and WebSocket endpoints accessible without authentication. An unauthenticated attacker on the LAN can query these endpoints, access system information, and send raw control commands to...

PT-2026-99864

mH-DEVELOPER smart home module does not verify tokens in its authorization middleware, leaving all HTTP API and WebSocket endpoints accessible without authentication. An unauthenticated attacker on the LAN can query these endpoints, access system information, and send raw control commands to...

PT-2026-99865

mH-DEVELOPER smart home module does not load any firewall rules at startup. This leaves all listening services, including SSH, HTTP, WebSocket, and Node-RED, fully exposed on the LAN without access control. Any client on the same network can reach every service. This issue was fixed in...

CVE-2026-101061

utcp-gql before 1.1.1 and utcp-websocket before 1.1.1 contain server-side request forgery vulnerabilities due to incomplete application of CVE-2026-44661 fixes. The GraphQL plugin uses a vulnerable prefix check allowing bypass URLs like http://127.0.0.1.attacker.example, while the WebSocket plugi...