Vitest Browser Mode - Local File Read

Vitest is a testing framework powered by Vite. The screenshot-error handler on the browser mode HTTP server that responds any file on the file system. Especially if the server is exposed on the network by browser.api.host- true, an attacker can send a request to that handler from remote to get th...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code containing a malicious binding.gyp file that drops and runs a self-propagating cloud secret stealer. The malicious code attempts to exfiltrate AWS, GCP, Azure, Vault, and Kubernetes credentials, as well as npm an...

GHSA-2H32-95RG-CPPP Vitest browser mode serves unsanitized otelCarrier query parameter as inline script

Summary Vitest browser mode served /vitesttest/ with the otelCarrier query parameter inserted directly into an inline module script. Because this value was treated as JavaScript source rather than data, an attacker could craft a browser-runner URL that executes arbitrary JavaScript in the Vitest...

Vitest browser mode serves unsanitized otelCarrier query parameter as inline script

Summary Vitest browser mode served /vitesttest/ with the otelCarrier query parameter inserted directly into an inline module script. Because this value was treated as JavaScript source rather than data, an attacker could craft a browser-runner URL that executes arbitrary JavaScript in the Vitest...

Cross-site Scripting (XSS)

Overview @vitest/browser is a Browser running for Vitest Affected versions of this package are vulnerable to Cross-site Scripting XSS via the otelCarrier query parameter being directly inserted into an inline script without sanitization. An attacker can execute arbitrary JavaScript in the context...

Cross-site Scripting (XSS)

Overview vitest is a Next generation testing framework powered by Vite Affected versions of this package are vulnerable to Cross-site Scripting XSS via the otelCarrier query parameter being directly inserted into an inline script without sanitization. An attacker can execute arbitrary JavaScript ...

GHSA-5XRQ-8626-4RWP When Vitest UI server is listening, arbitrary file can be read and executed

Summary Arbitrary file can be read on Windows when Vitest UI server is listening, especially when exposed to the network. Impact Only users that match either of the following conditions are affected: - explicitly exposes the Vitest UI server to the network using --api.host or api.host config opti...

Missing Authorization

Overview vitest is a Next generation testing framework powered by Vite Affected versions of this package are vulnerable to Missing Authorization through the api and browser.api request handlers in the server and UI components. An attacker can run tests, modify project files, or overwrite snapshot...

Missing Authorization

Overview @vitest/browser is a Browser running for Vitest Affected versions of this package are vulnerable to Missing Authorization through the api and browser.api request handlers in the server and UI components. An attacker can run tests, modify project files, or overwrite snapshots by connectin...

Missing Authorization

Overview @vitest/ui is an UI for Vitest Affected versions of this package are vulnerable to Missing Authorization through the api and browser.api request handlers in the server and UI components. An attacker can run tests, modify project files, or overwrite snapshots by connecting to an exposed...

When Vitest UI server is listening, arbitrary file can be read and executed

Summary Arbitrary file can be read on Windows when Vitest UI server is listening, especially when exposed to the network. Impact Only users that match either of the following conditions are affected: - explicitly exposes the Vitest UI server to the network using --api.host or api.host config opti...

PT-2026-45491

Summary Vitest browser mode served / vitest test / with the otelCarrier query parameter inserted directly into an inline module script. Because this value was treated as JavaScript source rather than data, an attacker could craft a browser-runner URL that executes arbitrary JavaScript in the Vite...

PT-2026-45492

Name of the Vulnerable Software and Affected Versions Vitest versions prior to 4.1.0 Description A flaw in the UI/API server on Windows allows remote attackers to bypass file access restrictions and read arbitrary files when the server is exposed to the network. The issue occurs because the API...

CVE-2026-47429

creationtimestamp| type| source ---|---|--- 2026-05-19 09:24:23+00:00| published-proof-of-concept| https://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwp...

CVE-2026-47428

creationtimestamp| type| source ---|---|--- 2026-05-19 09:23:47+00:00| published-proof-of-concept| https://github.com/vitest-dev/vitest/security/advisories/GHSA-2h32-95rg-cppp...

@c0va23/react-router-dev (=7.8.3-alpha.2), @holocron.so/cli (>=0.6.0 <=0.8.0) +13 more potentially affected by CVE-2026-23870 via @vitejs/plugin-rsc (>=0.4.11 <=0.5.24)

@vitejs/plugin-rsc NPM version =0.4.11, =0.6.0, =0.0.1, =0.0.0-1ae0b37, =0.0.0-experimental-2a6c7bc, =0.0.0-pr-32412-sha-4e0feb24, =1.0.2, =0.1.0, =0.0.1, =1.18.0-rsc.19, =0.1.0, =0.0.1-alpha.0, =0.0.0-canary-7e3d07b-20260501145757, =0.24.0, =0.27.2 Source cves: CVE-2026-23870 Source advisory:...

VulnCheck KEV: CVE-2025-24963

Vitest is a testing framework powered by Vite. The screenshot-error handler on the browser mode HTTP server that responds any file on the file system. Especially if the server is exposed on the network by browser.api.host: true, an attacker can send a request to that handler from remote to get th...

MAL-2026-2736 Malicious code in buildkite-test-collector-vitest-example (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 912ffea9e65720bd5b35e83949fe2f51e7ae71ac918133a5dd2c6d971b5947f4 The package buildkite-test-collector-vitest-example was found to contain malicious code...

Malicious code in buildkite-test-collector-vitest-example (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 912ffea9e65720bd5b35e83949fe2f51e7ae71ac918133a5dd2c6d971b5947f4 The package buildkite-test-collector-vitest-example was found to contain malicious code...

Malicious Package

Overview vitest-config 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...