CVE WatchOct 20, 2026

CVE-2026-112948

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

CVSS

6.5

Medium

EPSS

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KEV

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Exploit Today

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0-100

Published: Oct 20, 2026 · Last modified: Oct 20, 2026 · CWE-200 · CWE-552

EPSS · 30d

Not enough EPSS history yet.

Technical description

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.

Official references

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-1136685.3 MED

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———SolarWinds Patch Manager exposes sensitive information accessible to local users, which could be used to gain elevated privileges.8h CVE-2026-1136525.6 MED

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