@vitest Browser vulnerabilities

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Published CVEs affecting @vitest Browser: 1 record(s), with affected versions and fixes.

CVE-2026-112948 Medium · 6.5 CWE-200 Oct 20, 2026

Vitest: Servers misapply `server.fs.deny`, serving `.env`, private keys, `.git`, and the API token file

Vitest is a testing framework powered by Vite. From 5.0.0-beta.6 until 5.0.5, Vitest dev servers can misapply server.fs.deny because project servers replace Vite's defaults and the root server adds .vitest-secret-token after Vite compiles its matcher. An attacker who can reach an affected UI, Browser Mode, or API server can read denied project files or the fallback API token at node_modules/.vitest/.vitest-secret-token, and Browser Mode with test.projects can expose JavaScript-compatible .env values through a malicious website. This issue is fixed in version 5.0.5.