Socket.IO code-related vulnerabilities

Socket.IO is a JavaScript library developed by Socket.IO Inc., aimed at real-time web applications. Versions of Socket.IO prior to 3.3.5, 3.4.4, and 4.2.6 contained code vulnerabilities. These vulnerabilities stemmed from the fact that servers would buffer large amounts of binary attachments when...

EUVD-2026-13253

OpenClaw versions prior to 2026.2.22 contain an authentication bypass vulnerability that allows clients authenticated with a shared gateway token to connect as role=node without device identity verification. Attackers can exploit this by claiming the node role during WebSocket handshake to inject...

OpenClaw security vulnerabilities

OpenClaw is an intelligent artificial assistant open-sourced by OpenClaw. OpenClaw suffers from an authentication hardening vulnerability that is due to an authentication hardening vulnerability in the browser-sourced WebSocket client in a loopback deployment. An attacker can exploit the...

GHSA-677M-J7P3-52F9 socket.io allows an unbounded number of binary attachments

Impact A specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory. Patches | Version range | Used by | Fixed version |...

socket.io allows an unbounded number of binary attachments

Impact A specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory. Patches | Version range | Used by | Fixed version |...

PT-2026-30134

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the udp tunnel functionality. When the IPv6 configuration CONFIG IPV6 is disabled, the udp sock create6 function may return a success status without...

PT-2026-26200

Name of the Vulnerable Software and Affected Versions Socket.IO versions prior to 3.3.5 Socket.IO versions 3.3.5 through 3.4.4 Socket.IO versions 4.0.0 through 4.2.6 Description Socket.IO is a real-time, bidirectional, event-based communication framework. A specially crafted Socket.IO packet can...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization through the WebSocket session handling in kernel/util/websocket.go. An attacker can connect to the /ws endpoint and receive real-time document metadata and activity events by using the special id=auth WebSocket...

OESA-2026-1566 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: udp: Deal with race between UDP socket address change and rehash If a UDP socket changes its local address while it's receiving datagrams, as a result of connect...

OESA-2026-1567 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: udp: Deal with race between UDP socket address change and rehash If a UDP socket changes its local address while it's receiving datagrams, as a result of connect...

OESA-2026-1570 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: udp: Deal with race between UDP socket address change and rehash If a UDP socket changes its local address while it's receiving datagrams, as a result of connect...

Undici has Unbounded Memory Consumption in WebSocket permessage-deflate Decompression

Description The undici WebSocket client is vulnerable to a denial-of-service attack via unbounded memory consumption during permessage-deflate decompression. When a WebSocket connection negotiates the permessage-deflate extension, the client decompresses incoming compressed frames without enforci...

CVE-2026-2229

ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the servermaxwindowbits parameter in the permessage-deflate extension. When a WebSocket client connects to a server, it automatically advertises support for permessage-deflate compression. ...

CVE-2026-1526 undici is vulnerable to Unbounded Memory Consumption in undici WebSocket permessage-deflate Decompression

The undici WebSocket client is vulnerable to a denial-of-service attack via unbounded memory consumption during permessage-deflate decompression. When a WebSocket connection negotiates the permessage-deflate extension, the client decompresses incoming compressed frames without enforcing any limit...

Deserialization of Untrusted Data

Overview sglang is a SGLang is a fast serving framework for large language models and vision language models. Affected versions of this package are vulnerable to Deserialization of Untrusted Data due to the use of the pickle.loads function. An attacker can execute arbitrary code by sending...

CVE-2026-31975

Cloud CLI (Claude Code UI) vulnerable to OS command injection via WebSocket, affecting claude-code-ui up to version 1.24.0. The root cause is direct interpolation of WebSocket payload values (projectPath and initialCommand) into a bash command string in server/index.js, with a secondary vector th...

[SECURITY] Fedora 44 Update: systemd-259.3-1.fc44

systemd is a system and service manager that runs as PID 1 and starts the rest of the system. It provides aggressive parallelization capabilities, uses sock et and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux control groups,...

VulnCheck KEV: CVE-2019-19492

FreeSWITCH 1.6.10 through 1.10.1 has a default password in eventsocket.conf.xml...

PT-2026-24693

Security Advisory: Insecure Default JWT Secret + WebSocket Auth Bypass Enables Unauthenticated RCE via Shell Injection Download: cve claudecodeui submission v2.zip  Submission Info | Field | Value | |-------|-------| | Package | @siteboon/claude-code-ui | | Ecosystem | npm | | Affected versions ...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50145)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50145 advisory. - macvlan: fix error recovery in macvlancommonnewlink Eric Dumazet Orabug: 39057366 CVE-2026-23209 - netfilter: nftables: fix inverted genmask che...