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9.8 Critical

CVE-2026-53633 Vitest is a testing framework powered by Vite

Description

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 use CDP Page.setDownloadBehavior and Runtime.evaluate to overwrite vite.config.ts and execute attacker-controlled Node.js code. This issue is fixed in versions 3.2.5, 4.1.8, and 5.0.0-beta.

Affected products and versions

Product Affected versions Fixed in
vitest 5.0 5.0.0-beta.0 → < 5.0.0-beta.4 5.0.0-beta.4
vitest 4.0 4.0.0 → < 4.1.8 4.1.8
vitest 3.0 3.0.0 → < 3.2.5 3.2.5

Other CVEs of vitest

The 10 CVEs of vitest →
CVE-2026-112950 Vitest is a Vite-native testing framework for JavaScript and TypeScript projects 5.9 Medium CVE-2026-112949 Vitest is a Vite-native testing framework for JavaScript and TypeScript projects 4.7 Medium CVE-2026-112948 Vitest is a testing framework powered by Vite 6.5 Medium CVE-2026-84373 Vitest is a testing framework powered by Vite 5.9 Medium
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