CVE-2026-6402

webpack-dev-server versions up to and including 5.2.3 are vulnerable to cross-origin source code exposure when serving over a non-potentially trustworthy origin such as plain HTTP. The previous fix relied on the Sec-Fetch-Mode and Sec-Fetch-Site request headers, which browsers omit for...

CVE-2026-6402 webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins

webpack-dev-server versions up to and including 5.2.3 are vulnerable to cross-origin source code exposure when serving over a non-potentially trustworthy origin such as plain HTTP. The previous fix relied on the Sec-Fetch-Mode and Sec-Fetch-Site request headers, which browsers omit for...

CVE-2026-6402 webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins

webpack-dev-server versions up to and including 5.2.3 are vulnerable to cross-origin source code exposure when serving over a non-potentially trustworthy origin such as plain HTTP. The previous fix relied on the Sec-Fetch-Mode and Sec-Fetch-Site request headers, which browsers omit for...

CVE-2026-6402 webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins

webpack-dev-server versions up to and including 5.2.3 are vulnerable to cross-origin source code exposure when serving over a non-potentially trustworthy origin such as plain HTTP. The previous fix relied on the Sec-Fetch-Mode and Sec-Fetch-Site request headers, which browsers omit for...

PT-2026-39959

Name of the Vulnerable Software and Affected Versions webpack-dev-server versions prior to 5.2.4 Description Cross-origin source code exposure occurs when serving over a non-potentially trustworthy origin, such as plain HTTP. The issue arises because the previous fix relied on Sec-Fetch-Mode and...

webpack-dev-server 安全漏洞

webpack-dev-server is an open-source application developed by webpack. Versions of webpack-dev-server prior to version 5.2.3 contained security vulnerabilities. These vulnerabilities stemmed from exposure to cross-origin code. When it provided services through non-potentially trusted sources, suc...

Security Bulletin: Source Code Exposure Vulnerability in webpack-dev-server (Fixed in Version 5.2.1) affects watsonx.data

Summary webpack-dev-server versions prior to 5.2.1 are vulnerable to source code exposure when users visit a malicious website. Due to classic script requests not being restricted by the same-origin policy, an attacker who knows the dev server port and entry script path can inject a script, acces...

Security Bulletin: IBM Edge Data Collector uses webpack-dev-server - 4.15.2 which is vulnerable to CVE-2025-30360.

Summary IBM Edge Data Collector uses webpack-dev-server - 4.15.2 which is vulnerable to CVE-2025-30360. This bulletin contains information addressing the vulnerability. Vulnerability Details CVEID:CVE-2025-30360 DESCRIPTION: webpack-dev-server allows users to use webpack with a development server...

Security Bulletin: IBM watsonx Orchestrate Developer Edition is vulnerable to Exposed Dangerous Method or Function, Origin Validation Error due to webpack-dev-server

Summary webpack-dev-server is used by IBM watsonx Orchestrate Developer Edition as part of wxo-chat Vulnerability Details CVEID:CVE-2025-30359 DESCRIPTION: webpack-dev-server allows users to use webpack with a development server that provides live reloading. Prior to version 5.2.1,...

MAL-2025-48012 Malicious code in webpack-dev-serve-middleware (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware fb201f67e4df2c2951dcebb70620a58ed8d7c1862d4697b4e14b2e95b6673d84 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

EUVD-2019-0183

Malware in sbrugna...

EUVD-2025-16767

Malicious code in bioql PyPI...

EUVD-2025-16764

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2025-30359

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - webpack-dev-server allows users to use webpack with a development server that provides live reloading. Prior to version 5.2.1, webpack-dev-server users' source...

Linux Distros Unpatched Vulnerability : CVE-2025-30360

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - webpack-dev-server allows users to use webpack with a development server that provides live reloading. Prior to version 5.2.1, webpack-dev-server users' source...

webpack-dev-server users' source code may be stolen when they access a malicious web site with non-Chromium based browser

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webpack-dev-server users' source code may be stolen when they access a malicious web site

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MAL-2025-6629 Malicious code in webpack-dev-server (RubyGems)

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Malicious code in webpack-dev-server (RubyGems)

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Cross-site WebSocket Hijacking

webpack-dev-server is vulnerable to Cross-site WebSocket hijacking. The vulnerability is due to improper Origin header validation, which permits IP address origins, allows attackers to hijack WebSocket connections and steal source code via malicious websites...