Malicious code in ts-vitest (npm)

ts-vitest is a typosquat of vitest/ts-eslint hollow "kelly-calc"/"clob-math" content, no legitimate functionality that ships a postinstall two-stage fetch-exec dropper. The package.json declares postinstall: node scripts/install-check.cjs; the hook's resolvePeerBundleUrl fetches a JSON config fro...

MAL-2026-10990 Malicious code in ts-vitest (npm)

ts-vitest is a typosquat of vitest/ts-eslint hollow "kelly-calc"/"clob-math" content, no legitimate functionality that ships a postinstall two-stage fetch-exec dropper. The package.json declares postinstall: node scripts/install-check.cjs; the hook's resolvePeerBundleUrl fetches a JSON config fro...

CVE-2026-53633

A flaw was found in Vitest Browser Mode, a component of the Vitest testing framework. The cdp API exposed raw Chrome DevTools Protocol CDP methods without proper security restrictions. This vulnerability allows a remote attacker, with access to browser API metadata, to leverage CDP functions like...

CVE-2026-47428

A flaw was found in Vitest, a testing framework. In Vitest Browser Mode, a remote attacker could craft a specific browser-runner URL that, when visited, would allow the execution of arbitrary JavaScript code within the Vitest server. This vulnerability could also lead to the recovery of the...

CVE-2026-47429

A flaw was found in Vitest, a testing framework. On Windows, the Vitest UI/API server incorrectly handled file serving, which could allow an attacker to read sensitive files outside the project directory. Additionally, exposed API features could be exploited to execute arbitrary scripts, leading ...

CVE-2026-53633

Vitest is a testing framework powered by Vite. From 3.0.0 until 3.2.5, 4.1.8, and 5.0.0-beta.4, Vitest Browser Mode exposed a cdp API that forwarded raw Chrome DevTools Protocol methods without being gated by allowWrite or allowExec, allowing a remote client with exposed browser API metadata to u...

CVE-2026-47428

Vitest is a testing framework powered by Vite. From 4.0.17 until 4.1.6 and 5.0.0-beta.3, Vitest Browser Mode served /vitesttest/ with the otelCarrier query parameter inserted directly into an inline module script, allowing a crafted browser-runner URL to execute arbitrary JavaScript in the Vitest...

CVE-2026-47429

Vitest is a testing framework powered by Vite. Prior to 3.2.5 and 4.1.0, the Vitest UI/API server on Windows used isFileServingAllowed incorrectly for /vitestattachment, allowing \?\..\ path traversal to read files outside the project; exposed API write and rerun features such as saveTestFile...

CVE-2026-53633

Vitest CVE-2026-53633 affects Vitest Browser Mode (3.0.0–3.2.5, 4.1.8, and 5.0.0-beta.4), where a cdp() API exposes raw Chrome DevTools Protocol methods without gates. A remote client with exposed browser API metadata can use CDP Page.setDownloadBehavior and Runtime.evaluate to overwrite vite.con...

CVE-2026-53633 Vitest: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

Vitest is a testing framework powered by Vite. From 3.0.0 until 3.2.5, 4.1.8, and 5.0.0-beta.4, Vitest Browser Mode exposed a cdp API that forwarded raw Chrome DevTools Protocol methods without being gated by allowWrite or allowExec, allowing a remote client with exposed browser API metadata to u...

CVE-2026-53633 Vitest: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

Vitest is a testing framework powered by Vite. From 3.0.0 until 3.2.5, 4.1.8, and 5.0.0-beta.4, Vitest Browser Mode exposed a cdp API that forwarded raw Chrome DevTools Protocol methods without being gated by allowWrite or allowExec, allowing a remote client with exposed browser API metadata to u...

CVE-2026-47428 Vitest browser mode serves unsanitized otelCarrier query parameter as inline script

Vitest is a testing framework powered by Vite. From 4.0.17 until 4.1.6 and 5.0.0-beta.3, Vitest Browser Mode served /vitesttest/ with the otelCarrier query parameter inserted directly into an inline module script, allowing a crafted browser-runner URL to execute arbitrary JavaScript in the Vitest...

CVE-2026-47428

Vitest is a testing framework powered by Vite. From 4.0.17 until 4.1.6 and 5.0.0-beta.3, Vitest Browser Mode served /vitesttest/ with the otelCarrier query parameter inserted directly into an inline module script, allowing a crafted browser-runner URL to execute arbitrary JavaScript in the Vitest...

CVE-2026-47428

Vitest browser mode is affected by an XSS in which the otelCarrier query parameter is inserted directly into an inline script. Affected versions are 4.0.17 through 4.1.6 and 5.0.0-beta.3; this can allow an attacker to craft a browser-runner URL to execute arbitrary JavaScript in the Vitest server...

CVE-2026-47428 Vitest browser mode serves unsanitized otelCarrier query parameter as inline script

Vitest is a testing framework powered by Vite. From 4.0.17 until 4.1.6 and 5.0.0-beta.3, Vitest Browser Mode served /vitesttest/ with the otelCarrier query parameter inserted directly into an inline module script, allowing a crafted browser-runner URL to execute arbitrary JavaScript in the Vitest...

CVE-2026-47429 Vitest: Arbitrary file can be read and executed when Vitest UI server is listening

Vitest is a testing framework powered by Vite. Prior to 3.2.5 and 4.1.0, the Vitest UI/API server on Windows used isFileServingAllowed incorrectly for /vitestattachment, allowing \?\..\ path traversal to read files outside the project; exposed API write and rerun features such as saveTestFile...

CVE-2026-47429

Vitest (a Vite-based testing framework) is affected by CVE-2026-47429 due to an incorrect isFileServingAllowed check in the Vitest UI/API server on Windows for the path /vitest_attachment . This allows a ?..\ path traversal to read files outside the project, and could enable arbitrary script exec...

CVE-2026-47429

Vitest is a testing framework powered by Vite. Prior to 3.2.5 and 4.1.0, the Vitest UI/API server on Windows used isFileServingAllowed incorrectly for /vitestattachment, allowing \?\..\ path traversal to read files outside the project; exposed API write and rerun features such as saveTestFile...

CVE-2026-47429 Vitest: Arbitrary file can be read and executed when Vitest UI server is listening

Vitest is a testing framework powered by Vite. Prior to 3.2.5 and 4.1.0, the Vitest UI/API server on Windows used isFileServingAllowed incorrectly for /vitestattachment, allowing \?\..\ path traversal to read files outside the project; exposed API write and rerun features such as saveTestFile...

vitest: Vitest: Arbitrary code execution via crafted browser-runner URL

A flaw was found in Vitest, a testing framework. In Vitest Browser Mode, a remote attacker could craft a specific browser-runner URL that, when visited, would allow the execution of arbitrary JavaScript code within the Vitest server. This vulnerability could also lead to the recovery of the...