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.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-53633 ↗
- github.com/vitest-dev/vitest/commit/385a1aefd4c2bfa5e7d58bf7c6834c929969f2c7 ↗
- github.com/vitest-dev/vitest/commit/63e3b2eee4d58da56786a6333f517b9b492528c7 ↗
- github.com/vitest-dev/vitest/commit/e4067b3b150005fd42cf75f994300119245806b9 ↗
- github.com/vitest-dev/vitest/pull/10444 ↗
- github.com/vitest-dev/vitest/pull/10450 ↗
- github.com/vitest-dev/vitest/pull/10456 ↗
- github.com/vitest-dev/vitest/releases/tag/v3.2.5 ↗
- github.com/vitest-dev/vitest/releases/tag/v4.1.8 ↗
- github.com/vitest-dev/vitest/releases/tag/v5.0.0-beta.4 ↗
- github.com/vitest-dev/vitest/security/advisories/GHSA-g8mr-85jm-7xhm ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.