CVE-2026-9595 webpack-dev-server vulnerable to HMR WebSocket interception via permissive user proxies

Impact: When a user-configured proxy on webpack-dev-server has a broad context e.g. / and ws: true, it also intercepts the dev server's own HMR WebSocket and forwards it to the proxy target. This leaks the browser's cookies and Origin header to the backend, bypasses the dev server's Host/Origin...

GHSA-G7R4-M6W7-QQQR esbuild allows arbitrary file read when running the development server on Windows

Summary The development server contains a path traversal vulnerability on Windows when serving files from servedir. Due to the use of path.Clean which only normalizes forward-slash / separators instead of a Windows-aware path normalization function, it is possible to craft requests using...

Improper Verification of Source of a Communication Channel

Overview @nuxt/rspack-builder is a rspack 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 reques...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the configserver process. An attacker can access and modify sensitive configuration and secret data by sending cross-origin GraphQL requests to the local development server without...

Exposed Dangerous Method or Function

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 Exposed Dangerous Method or Function in Server.js, when handling non-HTTPS responses. ...

wetfish_pentest

sv Everything you need to build a Svelte project, powered by...

CVE-2026-39364

A flaw was found in Vite, a frontend tooling framework for JavaScript. On the Vite development server, a remote attacker could exploit this vulnerability by appending specific query parameters, such as ?raw, to requests. This allows the attacker to bypass security restrictions and retrieve...

CVE-2026-39365

A flaw was found in Vite. The development server's handling of .map requests contains a path traversal vulnerability. A remote attacker can exploit this by sending a specially crafted request with directory traversal sequences ../ to bypass security restrictions. This allows the attacker to...

EUVD-2026-19875

Vite is a frontend tooling framework for JavaScript. From 6.0.0 to before 6.4.2, 7.3.2, and 8.0.5, the dev server’s handling of .map requests for optimized dependencies resolves file paths and calls readFile without restricting ../ segments in the URL. As a result, it is possible to bypass the...

Vite Vulnerable to Path Traversal in Optimized Deps `.map` Handling

Summary Any files ending with .map even out side the project can be returned to the browser. Impact Only apps that match the following conditions are affected: - explicitly exposes the Vite dev server to the network using --host or server.host config option - have a sensitive content in files...

Incorrect Behavior Order: Validate Before Canonicalize

Overview vite is a Native-ESM powered web dev build tool Affected versions of this package are vulnerable to Incorrect Behavior Order: Validate Before Canonicalize through the server.fs.deny component. An attacker can access sensitive files by appending specific query parameters such as ?raw,...

Missing Authentication for Critical Function

Overview vite-plus is a The Unified Toolchain for the Web Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the fetchModule method exposed through the WebSocket interface when the server is explicitly exposed to the network and WebSocket is...

Arbitrary Command Injection

Overview @elgentos/magento2-dev-mcp is a Magento 2 Development MCP Server for AI agents - provides cache management, module tools, and system diagnostics Affected versions of this package are vulnerable to Arbitrary Command Injection via the executeMagerun2Command function. An attacker can execut...

TinaCMS CLI has Arbitrary File Read via Disabled Vite Filesystem Restriction

Summary The TinaCMS CLI dev server configures Vite with server.fs.strict: false, which disables Vite's built-in filesystem access restriction. This allows any unauthenticated attacker who can reach the dev server to read arbitrary files on the host system Details When running tinacms dev, the CLI...

TinaCMS Vulnerable to Path Traversal Leading to Arbitrary File Read, Write and Delete

Summary The TinaCMS CLI development server exposes media endpoints that are vulnerable to path traversal, allowing attackers to read and write arbitrary files on the filesystem outside the intended media directory. Details When running tinacms dev, the CLI starts a local HTTP server default port...

GHSA-2F24-MG4X-534Q TinaCMS Vulnerable to Path Traversal Leading to Arbitrary File Read, Write and Delete

Summary The TinaCMS CLI development server exposes media endpoints that are vulnerable to path traversal, allowing attackers to read and write arbitrary files on the filesystem outside the intended media directory. Details When running tinacms dev, the CLI starts a local HTTP server default port...

Files or Directories Accessible to External Parties

Overview @tinacms/cli is a package used to set up your project with Tina Cloud configuration, and run a local version of the Tina Cloud content-api. Affected versions of this package are vulnerable to Files or Directories Accessible to External Parties via the dev server configuration when...

Directory Traversal

Overview @tinacms/cli is a package used to set up your project with Tina Cloud configuration, and run a local version of the Tina Cloud content-api. Affected versions of this package are vulnerable to Directory Traversal in the development server's media upload handler. An attacker can write or...

GHSA-5HXF-C7J4-279C Tina: Path Traversal in Media Upload Handle

Affected Package | Field | Value | |-------|-------| | Package | @tinacms/cli | | Version | 2.0.5 latest at time of discovery | | Vulnerable File | packages/@tinacms/cli/src/next/commands/dev-command/server/media.ts | | Vulnerable Lines | 42-43 | --- Summary A path traversal vulnerability CWE-22...

CVE-2026-28791

Tina is a headless content management system. Prior to 2.1.7, a path traversal vulnerability exists in the TinaCMS development server's media upload handler. The code at media.ts joins user-controlled path segments using path.join without validating that the resulting path stays within the intend...