242 matches found
CVE-2026-112085
A flaw was found in webpack-dev-server. When configured to forward WebSocket connections through a proxy, the server does not validate incoming Host or Origin headers on connection upgrade requests. A remote attacker could exploit this by enticing a user to visit a malicious website, enabling the...
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-2026-112085
webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...
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
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 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...
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-2026-112085 webpack-dev-server vulnerable to cross-origin WebSocket access via proxied upgrades
webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...
CVE-2026-112085
webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...
CVE-2026-112085
The webpack-dev-server development server is vulnerable to cross-origin WebSocket access in versions before 5.2.7 and in version 6.0.0 . The root cause is that the server forwards non-HMR WebSocket upgrade requests to a proxy target without validating Host or Origin headers, bypassing allowedHost...
EUVD-2026-108108
webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...
CVE-2026-112085 webpack-dev-server vulnerable to cross-origin WebSocket access via proxied upgrades
webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...
PT-2026-121333
webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...
CLSA-2026-1790944348 TuxCare security update for webpack-dev-server (2 CVEs)
TuxCare rebuilt webpack-dev-server to address 2 CVEs. Fixed in 4.9.3-tuxcare.2...
CLSA-2026-1790863106 TuxCare security update for webpack-dev-server (2 CVEs)
TuxCare rebuilt webpack-dev-server to address 2 CVEs. Fixed in 5.2.5-tuxcare.1...
CLEANSTART-2026-YT66630 webpack-dev-server allows users to use webpack with a development server that provides live reloading
Security vulnerability affects the argo-workflows package. webpack-dev-server allows users to use webpack with a development server that provides live reloading...
CLSA-2026-1790604947 TuxCare security update for webpack-dev-server (4 CVEs)
TuxCare rebuilt webpack-dev-server to address 4 CVEs. Fixed in 4.9.3-tuxcare.1...