CVE-2026-114348

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions from 5.1.0 before 5.2.7 and in version 6.0.0, the unauthenticated open-editor endpoint validates the Host header with a regular expression meant for browser Origin schemes, so a Host value...

CVE-2026-114348

A flaw was found in webpack-dev-server. An unauthenticated remote attacker can exploit improper Host header validation in the open-editor endpoint to obtain sensitive technical information. By sending a request with a specially crafted Host header, the attacker triggers an internal server error...

CVE-2026-114348

The webpack-dev-server development server (versions 5.1.0 to 5.2.6 and 6.0.0 ) is vulnerable to information disclosure via an unauthenticated open-editor endpoint . The root cause is a Host header validation bypass where values starting with file: or specific extension schemes short-circuit secur...

CVE-2026-114348 webpack-dev-server vulnerable to information disclosure via Host validation bypass in the open-editor endpoint

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions from 5.1.0 before 5.2.7 and in version 6.0.0, the unauthenticated open-editor endpoint validates the Host header with a regular expression meant for browser Origin schemes, so a Host value...

EUVD-2026-108109

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions from 5.1.0 before 5.2.7 and in version 6.0.0, the unauthenticated open-editor endpoint validates the Host header with a regular expression meant for browser Origin schemes, so a Host value...

CVE-2026-114348

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions from 5.1.0 before 5.2.7 and in version 6.0.0, the unauthenticated open-editor endpoint validates the Host header with a regular expression meant for browser Origin schemes, so a Host value...

webpack_devserver 5.2.5 Cross Site Request Forgery

webpackdevserver versions 5.2.5 and below suffer from a cross site request forgery vulnerability. Exploit Title: webpackdevserver 5.2.5 - Csrf Date: 2026-07-17 Exploit Author: Pig-Tail Jorge González Milla Vendor Homepage: https://github.com/webpack/webpack-dev-server Software Link:...

webpack-dev-server CVE-2026-14620 open-editor CSRF detect

Detects CVE-2026-14620 in webpack-dev-server = 5.2.5: cross-site GET /webpack-dev-server/open-editor?fileName= reaches launchEditor. Probes cors and no-cors Sec-Fetch combinations; vulnerable when cors cross-site returns HTTP 200 while no-cors cross-site is blocked 403. !/usr/bin/env python3 --...

webpack-dev-server CVE-2026-14620 open-editor CSRF check

CVE-2026-14620 GHSA-f5vj-f2hx-8m93: webpack-dev-server = 5.2.5 allows cross-site requests to GET /webpack-dev-server/open-editor?fileName=, which calls launchEditor and can spawn an editor on an attacker-chosen path. The CVE-2026-6402 guard only blocks no-cors subresources; cross-site navigations...

EUVD-2026-41558

webpack-dev-server vulnerable to cross-site request forgery via internal developer endpoints...

webpack-dev-server vulnerable to cross-site request forgery via internal developer endpoints

Impact The internal /webpack-dev-server/open-editor and /webpack-dev-server/invalidate endpoints perform state-changing actions on any GET request, without verifying that the request originated from the dev server's own page. Any website a developer visits while the dev server is running can...

GHSA-F5VJ-F2HX-8M93 webpack-dev-server vulnerable to cross-site request forgery via internal developer endpoints

Impact The internal /webpack-dev-server/open-editor and /webpack-dev-server/invalidate endpoints perform state-changing actions on any GET request, without verifying that the request originated from the dev server's own page. Any website a developer visits while the dev server is running can...

SUSE CVE-2026-14620

webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, that perform state-changing actions on any GET request without verifying that the request originated from the dev server's own page. Any websi...

CVE-2026-14620

A flaw was found in webpack-dev-server. This vulnerability allows a remote attacker to exploit exposed internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, through cross-origin requests. By visiting a malicious website while the development server is...

Cross-site Request Forgery (CSRF)

Overview webpack-dev-server is an Uses webpack with a development server that provides live reloading. It should be used for development only. Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the open-editor and invalidate endpoints. An attacker can open...

Cross-site Request Forgery (CSRF)

Overview org.webjars.npm:webpack-dev-server is an Uses webpack with a development server that provides live reloading. It should be used for development only. Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the open-editor and invalidate endpoints. An...

CVE-2026-14620

webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, that perform state-changing actions on any GET request without verifying that the request originated from the dev server's own page. Any websi...

CVE-2026-14620

webpack-dev-server prior to 5.2.6 exposes two internal endpoints (/webpack-dev-server/open-editor and /webpack-dev-server/invalidate) that perform state-changing actions on any GET request without origin verification. This enables cross-origin interactions when a user visits any website while the...

CVE-2026-14620 webpack-dev-server vulnerable to cross-site request forgery via internal developer endpoints

webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, that perform state-changing actions on any GET request without verifying that the request originated from the dev server's own page. Any websi...

CVE-2026-14620 webpack-dev-server vulnerable to cross-site request forgery via internal developer endpoints

webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, that perform state-changing actions on any GET request without verifying that the request originated from the dev server's own page. Any websi...