{"id":"CVE-2026-47428","summary":"Vitest browser mode serves unsanitized otelCarrier query parameter as inline script","details":"Vitest is a testing framework powered by Vite. From 4.0.17 until 4.1.6 and 5.0.0-beta.3, Vitest Browser Mode served /__vitest_test__/ with the otelCarrier query parameter inserted directly into an inline module script, allowing a crafted browser-runner URL to execute arbitrary JavaScript in the Vitest server origin and recover VITEST_API_TOKEN for authenticated API calls. This issue is fixed in versions 4.1.6 and 5.0.0-beta.3.","aliases":["GHSA-2h32-95rg-cppp"],"modified":"2026-07-17T03:41:57.868725010Z","published":"2026-07-14T19:30:19.670Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47428.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-79"]},"references":[{"type":"WEB","url":"https://github.com/vitest-dev/vitest/releases/tag/v4.1.6"},{"type":"WEB","url":"https://github.com/vitest-dev/vitest/releases/tag/v5.0.0-beta.3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47428.json"},{"type":"ADVISORY","url":"https://github.com/vitest-dev/vitest/security/advisories/GHSA-2h32-95rg-cppp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47428"},{"type":"FIX","url":"https://github.com/vitest-dev/vitest/commit/18af98cee1830604d57f6a02bf28f8067cdffc06"},{"type":"FIX","url":"https://github.com/vitest-dev/vitest/commit/3514f9fa135c90e1c35754fc4d27c9cf351faafa"},{"type":"FIX","url":"https://github.com/vitest-dev/vitest/pull/10283"},{"type":"FIX","url":"https://github.com/vitest-dev/vitest/pull/10285"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/vitest-dev/vitest","events":[{"introduced":"dd54e944ec0d7b2730933341f3b940e92b186fb6"},{"introduced":"0"},{"fixed":"a8fd24c1cad2320b19fcc651413c7d928423bdc1"},{"fixed":"0f274d0d645e874952d13ec27c4a9f6ff6aa57a1"},{"fixed":"18af98cee1830604d57f6a02bf28f8067cdffc06"},{"fixed":"3514f9fa135c90e1c35754fc4d27c9cf351faafa"}],"database_specific":{"extracted_events":[{"introduced":"4.0.17"},{"fixed":"4.1.6"},{"introduced":"5.0.0-beta.0"},{"fixed":"5.0.0-beta.3"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v5.0.0-beta.2","v4.1.5","v5.0.0-beta.1","v4.1.4","v4.1.3","v4.1.2","v4.1.1","v4.1.0","v4.1.0-beta.6","v4.1.0-beta.5","v4.1.0-beta.4","v4.1.0-beta.3","v4.0.17","v4.1.0-beta.2","v4.1.0-beta.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47428.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"}]}