Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0068, the 52nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 4 Feb 2025. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-9crc-q9x8-hgqq
• OSV: GHSA-9crc-q9x8-hgqq
• github.com/vitest-dev/vitest/security/advisories/GHSA-9crc-q9x8-hgqq
• nvd.nist.gov/vuln/detail/CVE-2025-24964
• github.com/vitest-dev/vitest/commit/191ef9e34c867d0efd04f49b3d38193a68e825dc
• github.com/vitest-dev/vitest/commit/7ce9fbb4972d45c6fd34c843645ef6f549bbb241
• github.com/vitest-dev/vitest/commit/e0fe1d81e2d4bcddb1c6ca3c5c3970d8ba697383
• github.com/vitest-dev/vitest
• github.com/vitest-dev/vitest/blob/9a581e1c43e5c02b11e2a8026a55ce6a8cb35114/packages/vitest/src/api/setup.ts#L32-L46
• github.com/vitest-dev/vitest/blob/9a581e1c43e5c02b11e2a8026a55ce6a8cb35114/packages/vitest/src/api/setup.ts#L66-L76
• vitest.dev/config/#api

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.