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CLEANSTART-2026-BX79488 — Vitest is a testing framework powered by Vite

Affected: CleanStart: qdrant

Security vulnerability affects the qdrant package. Vitest is a testing framework powered by Vite.

fkie_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 validating redirect targets against the file-serving allowlist. The implementation processes event.redirect without enforcing server.fs.allow and server.fs.deny through isFileLoadingAllowed. A remote client that can reach an exposed development server can submit an opaque URL scheme preserving .. segments, causing join(server.config.root, redirectUrl.pathname) to resolve outside the project root. The plugin's load hook then returns readFile(mock.redirect, 'utf-8') as module source, disclosing local files readable by the dev-server process. Vitest browser mode uses a token-authenticated RPC and is not remotely unauthenticated by default, although the same boundary check was missing on that path. This issue is fixed in versions 4.1.11 and 5.0.0-rc.2.

GHSA-82fw-gwwq-j7x9 — Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock

Affected: npm: @vitest/mocker, npm: vitest

## 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 plugin's `load` hook returns `readFile(<attacker path>)` as the module source, disclosing local files.

This is exploitable **without authentication** only through the public `mockerPlugin` / standalone `interceptorPlugin` exports (used by third-party dev servers), which register the handler on Vite's unauthenticated HMR socket. Vitest's own browser mode registers mocks over a **token-authenticated** RPC and is not remotely reachable by default (see Scope).

## Affected code `packages/mocker/src/node/interceptorPlugin.ts`.

The `load` hook is the file-read sink:

```ts if (mock.type === 'redirect') { return readFile(mock.redirect, 'utf-8') } ```

`mock.redirect` is derived from client input at registration time with no boundary check:

```ts if (event.type === 'redirect') { const redirectUrl = new URL(event.redirect) event.redirect = join(server.config.root, redirectUrl.pathname) } registry.register(event) ```

There is no `server.fs.allow` / `server.fs.deny` check and no assertion that the resolved path stays within the project root.

## Registration paths and trust boundaries - **Public `mockerPlugin` / `interceptorPlugin` (unauthenticated).** In `configureServer`, the plug…