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

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...

Dozzle's Cross-Site WebSocket Hijacking (CSWSH) on exec/attach endpointsbypasses authentication

Summary The WebSocket upgrader for the /exec and /attach endpoints uses CheckOrigin: funcr http.Request bool return true , accepting upgrade requests from any origin. Combined with the JWT cookie using SameSite: Lax, this enables Cross-Site WebSocket Hijacking CSWSH — even when authentication is...

EEF-CVE-2026-42786 WebSocket fragmented message reassembly unbounded in bandit

Summary Allocation of Resources Without Limits or Throttling vulnerability in mtrudel bandit allows unauthenticated remote denial of service via memory exhaustion. The fragment reassembly path in 'Elixir.Bandit.WebSocket.Connection':handleframe/3 in lib/bandit/websocket/connection.ex appends ever...

EUVD-2025-209596

CryptPad 2025.3.1 allows unbounded WebSocket frame flood. A remote, unauthenticated attacker can significantly degrade or deny service for all users of a CryptPad instance. Fixed in 2026.2.2...

Wireshark 安全漏洞

Wireshark is a set of network packet analysis tools developed by the Wireshark team. The software’s function is to capture network packets and display detailed data for analysis. Versions of Wireshark from 4.6.0 to 4.6.4, as well as 4.4.0 to 4.4.14, have security vulnerabilities. These...

CVE-2026-41333 OpenClaw < 2026.3.31 - Authentication Rate Limiting Bypass via Fake DeviceToken

OpenClaw before 2026.3.31 contains an authentication rate limiting bypass vulnerability that allows attackers to circumvent shared authentication protections using fake device tokens. Attackers can exploit the mixed WebSocket authentication flow to bypass rate limiting controls and conduct brute...

API Security Testing and Vulnerability Assessment

APIs now carry more sensitive data than traditional web interfaces. Payment details, health records, authentication tokens, and customer databases all flow through API endpoints that attackers can probe without ever touching a browser. A single misconfigured endpoint can expose millions of record...

MAL-2026-2827 Malicious code in js-logger-pack (npm)

js-logger-pack is a fake npm logger that the attacker developed openly on the registry over 23 versions across two weeks 2026-04-01 to 2026-04-15. Version 1.1.20, published hours after initial detection, is a re-obfuscation of the same payload with a new hash — same C2, same capabilities. Early...

JLSEC-2026-101

Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...

nodejs:24 security update

An update is available for nodejs, module.nodejs-packaging, nodejs-packaging, module.nodejs, nodejs-nodemon, module.nodejs-nodemon. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

CVE-2026-35619 OpenClaw < 2026.3.24 - Authorization Bypass via HTTP /v1/models Endpoint

OpenClaw before 2026.3.24 contains an authorization bypass vulnerability in the HTTP /v1/models endpoint that fails to enforce operator read scope requirements. Attackers with only operator.approvals scope can enumerate gateway model metadata through the HTTP compatibility route, bypassing the...

EUVD-2026-21430

OpenClaw before 2026.3.24 contains an authorization bypass vulnerability in the HTTP /v1/models endpoint that fails to enforce operator read scope requirements. Attackers with only operator.approvals scope can enumerate gateway model metadata through the HTTP compatibility route, bypassing the...

RLSA-2026:7350 Important: nodejs:24 security update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: nodejs: Nodejs denial of service CVE-2026-21637 brace-expansion: brace-expansion: Denial of Service via unbounded brace range expansion...

undici: Undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter

A flaw was found in the undici WebSocket client. A remote malicious server can exploit this vulnerability by sending a WebSocket frame with an invalid servermaxwindowbits parameter within the permessage-deflate extension. This improper validation causes the client's Node.js process to terminate,...

RHEL 9 : nodejs:24 (RHSA-2026:7350)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:7350 advisory. Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language...

undici: Undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter

A flaw was found in the undici WebSocket client. A remote malicious server can exploit this vulnerability by sending a WebSocket frame with an invalid servermaxwindowbits parameter within the permessage-deflate extension. This improper validation causes the client's Node.js process to terminate,...

CVE-2026-34824 Mesop: Unbounded Thread Creation in WebSocket Handler Leads to Denial of Service

Mesop is a Python-based UI framework that allows users to build web applications. From version 1.2.3 to before version 1.2.5, an uncontrolled resource consumption vulnerability exists in the WebSocket implementation of the Mesop framework. An unauthenticated attacker can send a rapid succession o...

CVE-2026-25627

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. Prior to version 0.24.8, NanoMQ’s MQTT-over-WebSocket transport can be crashed by sending an MQTT packet with a deliberately large Remaining Length in the fixed header while providing a much shorter actual payload. The code path...

CVE-2026-25627 nanomq: OOB Read / Crash (DoS) via Malformed MQTT Remaining Length over WebSocket

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. Prior to version 0.24.8, NanoMQ’s MQTT-over-WebSocket transport can be crashed by sending an MQTT packet with a deliberately large Remaining Length in the fixed header while providing a much shorter actual payload. The code path...