PT-2026-49244

Name of the Vulnerable Software and Affected Versions webpack-dev-server versions prior to 5.2.5 Description A permissive user-configured proxy with a broad context e.g., '/' and ws: true intercepts the development server's own Hot Module Replacement HMR WebSocket and forwards it to the proxy...

Improper Verification of Source of a Communication Channel

Overview @nuxt/webpack-builder is a Webpack bundler for Nuxt Affected versions of this package are vulnerable to Improper Verification of Source of a Communication Channel through the isSameOriginRequest check in the dev-server request handling path. An attacker can send a browser-originated...

CVE-2026-49993 @nuxt/webpack-builder and @nuxt/rspack-builder dev server same-origin check bypassed when Sec-Fetch-Site, Origin, and Referer are all absent (incomplete fix for GHSA-6m52-m754-pw2g)

Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder from versions 3.15.4 to before 3.21.7 and 4.0.0 to before 4.4.7, there is an incomplete fix for GHSA-6m52-m754-pw2g. Source code may still be stolen during dev when using the webpack /...

CVE-2026-45670 Nuxt: Dev server exposes built source over LAN to malicious sites (incomplete fix for GHSA-4gf7-ff8x-hq99)

Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder versions 3.15.4 to before 3.21.6, and 4.0.0-alpha.1 to before 4.4.6, there is an incomplete fix for GHSA-4gf7-ff8x-hq99. Source code may be stolen during dev when using the webpack /...

CVE-2026-45670: Exposed Dangerous Method or Function

Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder versions 3.15.4 to before 3.21.6, and 4.0.0-alpha.1 to before 4.4.6, there is an incomplete fix for GHSA-4gf7-ff8x-hq99. Source code may be stolen during dev when using the webpack /...

CVE-2026-49993: Exposed Dangerous Method or Function

Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder from versions 3.15.4 to before 3.21.7 and 4.0.0 to before 4.4.7, there is an incomplete fix for GHSA-6m52-m754-pw2g. Source code may still be stolen during dev when using the webpack /...

MAL-2026-5604 Malicious code in cache-section-helper (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cad3d2732831e4b798073aff289abd1abdbb718b4caa9e4f970a0dd3f7733653 package.json declares a postinstall hook node -e "require'./loader.js'" that runs automatically on every npm install. loader.js hex-decodes the strin...

Malicious code in cache-section-helper (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cad3d2732831e4b798073aff289abd1abdbb718b4caa9e4f970a0dd3f7733653 package.json declares a postinstall hook node -e "require'./loader.js'" that runs automatically on every npm install. loader.js hex-decodes the strin...

MAL-2026-5579 Malicious code in webpack-cache-cycle (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 82fa37e2478a7109e376e3a062ccb203806511033930eb7390e45fe7ef404b81 On npm install, package.json's postinstall hook runs node -e "require'./loader.js'". loader.js spawns a detached node process that decodes a...

Malicious code in webpack-cache-cycle (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 82fa37e2478a7109e376e3a062ccb203806511033930eb7390e45fe7ef404b81 On npm install, package.json's postinstall hook runs node -e "require'./loader.js'". loader.js spawns a detached node process that decodes a...

MAL-2026-5581 Malicious code in webpack-patch (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d0f5ce3525e99528190ba5217a777184e302d46050fc23bef173de6fda240eba Package impersonates the webpack ecosystem but is unrelated to webpack. When the exported middleware is invoked, index.js spawns a detached node...

Malicious code in webpack-patch (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d0f5ce3525e99528190ba5217a777184e302d46050fc23bef173de6fda240eba Package impersonates the webpack ecosystem but is unrelated to webpack. When the exported middleware is invoked, index.js spawns a detached node...

MAL-2026-5578 Malicious code in webpack-cache-clean (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8f8656d094ec59721c08eb72a1ec8f1530cd07985edf705032926dd9a19461d9 On npm install, the package runs a postinstall hook node -e "require'./loader.js'" that spawns a detached child process. The child decodes an...

MAL-2026-5175 Malicious code in webpack-json (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware abd3559fc62e362d5e4d5068126317096f7e2e483d97bba9f59e192a9d49a363 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in webpack-json (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware abd3559fc62e362d5e4d5068126317096f7e2e483d97bba9f59e192a9d49a363 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious Package

Overview webpack-json is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

Malicious Package

Overview xarc-webpack-cli is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

Malicious code in xarc-webpack-cli (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b29d869051afe04db57e24dad1092c70992f83465d60989f5120e17d7fa20310 The package ships a preinstall hook node poc.js || true that runs on every npm install. poc.js collects host fingerprint data hostname, username,...

MAL-2026-4352 Malicious code in xarc-webpack-cli (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b29d869051afe04db57e24dad1092c70992f83465d60989f5120e17d7fa20310 The package ships a preinstall hook node poc.js || true that runs on every npm install. poc.js collects host fingerprint data hostname, username,...

Exposed Dangerous Method or Function

Overview @nuxt/webpack-builder is a Webpack bundler for Nuxt Affected versions of this package are vulnerable to Exposed Dangerous Method or Function when using webpack or rspack builder and navigating to a malicious website. An attacker can inject a script tag to request a classic script, which ...