{"action":"Upgrade @vitest/mocker to 4.1.11 or later.","affected":[{"fixed":"4.1.11","introduced":"2.1.0"},{"fixed":"5.0.0-rc.2","introduced":"5.0.0-beta.1"}],"component":"@vitest/mocker","cve_ids":["CVE-2026-84373"],"ecosystem":"npm","epss":0.00527,"exploited":false,"fixed_versions":["4.1.11","5.0.0-rc.2"],"ghsa_id":"GHSA-82fw-gwwq-j7x9","id":"tcs_01M5KFBBZWMRQ62VXSWFM47WPF","modified_at":"2026-09-08T21:00:07.248611070Z","published_at":"2026-09-08T20:46:45Z","references":["https://osv.dev/vulnerability/GHSA-82fw-gwwq-j7x9","https://github.com/vitest-dev/vitest/security/advisories/GHSA-82fw-gwwq-j7x9","https://nvd.nist.gov/vuln/detail/CVE-2026-84373","https://github.com/vitest-dev/vitest/pull/10972","https://github.com/vitest-dev/vitest/pull/10974","https://github.com/vitest-dev/vitest/commit/51edf2b072902aec6d30c90ebaafd8f121c6f9d8","https://github.com/vitest-dev/vitest/commit/8ff9b9a9efca7c6cfd5243569440de8d7a33aec4","https://github.com/vitest-dev/vitest/commit/fe5a11d3ceac5ec10d6d7d21a46d4caca132c48f","https://github.com/vitest-dev/vitest","https://github.com/vitest-dev/vitest/releases/tag/v4.1.11","https://github.com/vitest-dev/vitest/releases/tag/v5.0.0-rc.2"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-82fw-gwwq-j7x9","url":"https://osv.dev/vulnerability/GHSA-82fw-gwwq-j7x9"}],"summary":"Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock"}