ROOT-APP-NPM-CVE-2026-1527 CVE-2026-1527 in @rootio/undici - Patched by Root

Root has patched CVE-2026-1527 in the @rootio/undici package for Root:npm. Multiple fixed versions available...

TencentOS Server 4: nodejs20 (TSSA-2026:0186)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0186 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

Node.js Module Undici 6.x < 6.24.0 / 7.x < 7.24.0 DoS

The nodejs module Undici detected on the host is version 6.x prior to 6.24.0 or version 7.x prior to 7.24.0. It is, therefore, affected by a denial of service vulnerability : - A flaw exists in the WebSocket client due to an integer overflow when processing frames with extremely large 64-bit leng...

RLSA-2026:7080 Important: nodejs22 security update

Node.js is a platform built on Chrome's JavaScript runtime \ for easily building fast, scalable network applications. \ Node.js uses an event-driven, non-blocking I/O model that \ makes it lightweight and efficient, perfect for data-intensive \ real-time applications that run across distributed...

SUSE CVE-2026-1528

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0...

SUSE 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. ...

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 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

CLSA-2026-1775220180 nodejs: Fix of CVE-2023-45143

CVE-2023-45143: fix cookie and host header leak on cross-origin redirect in undici...

GHSA-4992-7RV2-5PVQ Undici has CRLF Injection in undici via `upgrade` option

Impact When an application passes user-controlled input to the upgrade option of client.request, an attacker can inject CRLF sequences \r\n to: 1. Inject arbitrary HTTP headers 2. Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services Redis, Memcached, Elasticsearch The...

EUVD-2026-11685

Undici has an HTTP Request/Response Smuggling issue...

Linux Distros Unpatched Vulnerability : CVE-2026-1525

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This...

CVE-2026-1528

A flaw was found in undici. A remote attacker could exploit this vulnerability by sending a specially crafted WebSocket frame with an extremely large 64-bit length. This causes undici's ByteParser to overflow its internal calculations, leading to an invalid state and a fatal TypeError. The primar...

CVE-2026-1527

ImpactWhen an application passes user-controlled input to the upgrade option of client.request, an attacker can inject CRLF sequences \r\n to: Inject arbitrary HTTP headers Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services Redis, Memcached, Elasticsearch The...

DEBIAN-CVE-2026-1527

ImpactWhen an application passes user-controlled input to the upgrade option of client.request, an attacker can inject CRLF sequences \r\n to: Inject arbitrary HTTP headers Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services Redis, Memcached, Elasticsearch The...

DEBIAN-CVE-2026-1528

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0...

CVE-2026-1526

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...

UBUNTU-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-2026-1528

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0...

CRLF Injection

Overview undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to CRLF Injection via the upgrade option of the client.request function. An attacker can inject malicious data into HTTP headers or prematurely terminate HTTP requests by...

CVE-2026-1527

ImpactWhen an application passes user-controlled input to the upgrade option of client.request, an attacker can inject CRLF sequences \r\n to: Inject arbitrary HTTP headers Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services Redis, Memcached, Elasticsearch The...