{"action":"Upgrade @vitest/browser to 3.2.5 or later.","affected":[{"fixed":"5.0.0-beta.4","introduced":"5.0.0-beta.0"},{"fixed":"4.1.8","introduced":"4.0.0"},{"fixed":"3.2.5","introduced":"3.0.0"}],"component":"@vitest/browser","cve_ids":["CVE-2026-53633"],"ecosystem":"npm","epss":0.00896,"exploited":false,"fixed_versions":["5.0.0-beta.4","4.1.8","3.2.5"],"ghsa_id":"GHSA-g8mr-85jm-7xhm","id":"tcs_01M5KFR0D0RY0ADC923B4BTKMB","modified_at":"2026-08-13T18:30:12.338998545Z","published_at":"2026-06-15T20:05:15Z","references":["https://osv.dev/vulnerability/GHSA-g8mr-85jm-7xhm","https://github.com/vitest-dev/vitest/security/advisories/GHSA-g8mr-85jm-7xhm","https://nvd.nist.gov/vuln/detail/CVE-2026-53633","https://github.com/vitest-dev/vitest/pull/10444","https://github.com/vitest-dev/vitest/pull/10450","https://github.com/vitest-dev/vitest/pull/10456","https://github.com/vitest-dev/vitest/commit/385a1aefd4c2bfa5e7d58bf7c6834c929969f2c7","https://github.com/vitest-dev/vitest/commit/63e3b2eee4d58da56786a6333f517b9b492528c7","https://github.com/vitest-dev/vitest/commit/e4067b3b150005fd42cf75f994300119245806b9","https://github.com/vitest-dev/vitest","https://github.com/vitest-dev/vitest/releases/tag/v3.2.5","https://github.com/vitest-dev/vitest/releases/tag/v4.1.8","https://github.com/vitest-dev/vitest/releases/tag/v5.0.0-beta.4"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-g8mr-85jm-7xhm","url":"https://osv.dev/vulnerability/GHSA-g8mr-85jm-7xhm"}],"summary":"Vitest Browser: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE"}