CVE-2026-39363

CVE-2026-39363 — Vite Dev Server WebSocket 任意文件读取批量检测 免責事項： 本ツールは認可されたセキュリティテストおよび教育研究のみを目的としています。利用者は現地の法令を遵守する必要があり、許可なく他者のシステムをスキャンまたは攻撃することは違法行為です。作者は不正使用によるいかなる責任も負いません。 脆弱性の説明 Vite 開発サーバー（6.0.0 6.4.1、7.0.0 7.3.1、8.0.0 8.0.4）の HMR WebSocket は Origin ヘッダーを検証していません。攻撃者は vite:invoke イベントを介して...

CVE-2026-39363

CVE-2026-39363 — Vite Dev Server 임의 파일 읽기 PoC GHSA-p9ff-h696-f583 대상 즉시 실행 가능한 PoC입니다. 인증되지 않은 HMR WebSocket을 통해 fetchModule을 호출하여 HTTP 레이어의 server.fs.allow 제한을 우회하고, dev server가 실행 중인 머신의 임의 파일을 읽습니다. 영향 범위 버전 라인| 영향 받음| 수정됨 ---|---|--- Vite 6| =6.0.0, =7.0.0, =8.0.0, → 403. 2. 그러나 HMR WebSocket...

webpack-dev-server: webpack-dev-server: Information disclosure and denial of service via improper proxy configuration

A flaw was found in webpack-dev-server. When a user configures a proxy with a broad context, such as '/', and enables WebSocket ws: true forwarding, the development server's own Hot Module Replacement HMR WebSocket can be intercepted. This interception leads to the leakage of the browser's cookie...

EUVD-2026-69705

Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock...

GHSA-82FW-GWWQ-J7X9 Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock

Summary @vitest/mocker registers a redirect mock's target path without validating it against the dev server's file-serving allowlist. An attacker who can reach the dev server's WebSocket can register a redirect mock pointing outside the project root; when the mocked module is requested, the...

SUSE CVE-2026-84373

Vitest is a testing framework powered by Vite. From 2.1.0 until 4.1.11 and 5.0.0-rc.2, the public mockerPlugin and standalone interceptorPlugin exports in packages/mocker/src/node/interceptorPlugin.ts register the vitest:interceptor:register handler on Vite's unauthenticated HMR WebSocket without...

Linux Distros Unpatched Vulnerability : CVE-2026-84373

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Vitest is a testing framework powered by Vite. From 2.1.0 until 4.1.11 and 5.0.0-rc.2, the public mockerPlugin and standalone interceptorPlugin exports in...

CVE-2026-84373

Vitest is a testing framework powered by Vite. From 2.1.0 until 4.1.11 and 5.0.0-rc.2, the public mockerPlugin and standalone interceptorPlugin exports in packages/mocker/src/node/interceptorPlugin.ts register the vitest:interceptor:register handler on Vite's unauthenticated HMR WebSocket without...

CVE-2026-84373

A flaw was found in Vitest, a testing framework. A remote attacker, able to reach an exposed development server, could exploit an issue in the mockerPlugin and interceptorPlugin exports. These plugins register a handler on Vite's unauthenticated HMR WebSocket without properly validating redirect...

CVE-2026-84373 Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock

Vitest is a testing framework powered by Vite. From 2.1.0 until 4.1.11 and 5.0.0-rc.2, the public mockerPlugin and standalone interceptorPlugin exports in packages/mocker/src/node/interceptorPlugin.ts register the vitest:interceptor:register handler on Vite's unauthenticated HMR WebSocket without...

CVE-2026-84373 Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock

Vitest is a testing framework powered by Vite. From 2.1.0 until 4.1.11 and 5.0.0-rc.2, the public mockerPlugin and standalone interceptorPlugin exports in packages/mocker/src/node/interceptorPlugin.ts register the vitest:interceptor:register handler on Vite's unauthenticated HMR WebSocket without...

CVE-2026-84373

CVE-2026-84373 affects Vitest (a Vite-powered testing framework) versions 2.1.0 through 4.1.10 and 5.0.0-rc.1 . The vulnerability exists in the mockerPlugin and interceptorPlugin exports within packages/mocker/src/node/interceptorPlugin.ts, which register a vitest:interceptor:register handler on ...

CVE-2026-84373 Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock

Vitest is a testing framework powered by Vite. From 2.1.0 until 4.1.11 and 5.0.0-rc.2, the public mockerPlugin and standalone interceptorPlugin exports in packages/mocker/src/node/interceptorPlugin.ts register the vitest:interceptor:register handler on Vite's unauthenticated HMR WebSocket without...

PT-2026-84521

Name of the Vulnerable Software and Affected Versions Vitest versions 2.1.0 through 4.1.10 Vitest versions 5.0.0-rc.0 through 5.0.0-rc.1 Description The mockerPlugin and interceptorPlugin exports in packages/mocker/src/node/interceptorPlugin.ts register the vitest:interceptor:register handler on...

CVE-2026-84373: Improper Limitation of a Pathname to a Restricted Directory

Vitest is a testing framework powered by Vite. From 2.1.0 until 4.1.11 and 5.0.0-rc.2, the public mockerPlugin and standalone interceptorPlugin exports in packages/mocker/src/node/interceptorPlugin.ts register the vitest:interceptor:register handler on Vite's unauthenticated HMR WebSocket without...

webpack-dev-server: webpack-dev-server: Information disclosure and denial of service via improper proxy configuration

A flaw was found in webpack-dev-server. When a user configures a proxy with a broad context, such as '/', and enables WebSocket ws: true forwarding, the development server's own Hot Module Replacement HMR WebSocket can be intercepted. This interception leads to the leakage of the browser's cookie...

CVE-2026-71319

Nuxt is an open-source web development framework for Vue.js. Prior to 3.3.1, Nuxt DevTools development mode only exposes a bidirectional RPC channel over the Vite HMR WebSocket via the nuxt:devtools:rpc plugin. On affected versions the channel has no authentication: any client that can reach the...

GHSA-279X-MWFV-VCQV Unauthenticated Nuxt DevTools RPC allows arbitrary command execution on the developer's host

Impact Nuxt DevTools development mode only exposes a bidirectional RPC channel over the Vite HMR WebSocket via the nuxt:devtools:rpc plugin. On affected versions the channel has no authentication: any client that can reach the Vite HMR endpoint ws://:/, subprotocol vite-hmr can call RPC methods,...

CVE-2026-71319 Nuxt.js Unauthenticated WebSocket RPC Call Leading to Remote Code Execution

Nuxt is an open-source web development framework for Vue.js. Prior to 3.3.1, Nuxt DevTools development mode only exposes a bidirectional RPC channel over the Vite HMR WebSocket via the nuxt:devtools:rpc plugin. On affected versions the channel has no authentication: any client that can reach the...

PT-2026-68338

Name of the Vulnerable Software and Affected Versions Nuxt versions prior to 3.3.1 Description Nuxt DevTools, when used in development mode, exposes a bidirectional RPC Remote Procedure Call channel over the Vite HMR Hot Module Replacement WebSocket via the nuxt:devtools:rpc plugin. This channel...