{"id":"CVE-2025-62522","state":"PUBLISHED","title":"vite allows server.fs.deny bypass via backslash on Windows","description":"Vite is a frontend tooling framework for JavaScript. In versions from 2.9.18 to before 3.0.0, 3.2.9 to before 4.0.0, 4.5.3 to before 5.0.0, 5.2.6 to before 5.4.21, 6.0.0 to before 6.4.1, 7.0.0 to before 7.0.8, and 7.1.0 to before 7.1.11, files denied by server.fs.deny were sent if the URL ended with \\ when the dev server is running on Windows. Only apps explicitly exposing the Vite dev server to the network and running the dev server on Windows were affected. This issue has been patched in versions 5.4.21, 6.4.1, 7.0.8, and 7.1.11.","publishedAt":"2025-10-20T19:57:13.188Z","updatedAt":"2025-10-20T20:17:08.287Z","severity":{"score":6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["vitejs vite"],"affected":[{"vendor":"vitejs","product":"vite","versions":[{"version":">= 7.1.0, < 7.1.11","status":"affected"},{"version":">= 7.0.0, < 7.0.8","status":"affected"},{"version":">= 6.0.0, < 6.4.1","status":"affected"},{"version":">= 5.2.6, < 5.4.21","status":"affected"},{"version":">= 4.5.3, < 5.0.0","status":"affected"},{"version":">= 3.2.9, < 4.0.0","status":"affected"},{"version":">= 2.9.18, < 3.0.0","status":"affected"}]}],"references":["https://github.com/vitejs/vite/security/advisories/GHSA-93m4-6634-74q7","https://github.com/vitejs/vite/commit/f479cc57c425ed41ceb434fecebd63931b1ed4ed"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:09:48.677Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/62xxx/CVE-2025-62522.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-62522","state":"PUBLISHED","datePublished":"2025-10-20T19:57:13.188Z","dateUpdated":"2025-10-20T20:17:08.287Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-10-15T15:03:28.135Z"},"containers":{"cna":{"title":"vite allows server.fs.deny bypass via backslash on Windows","descriptions":[{"lang":"en","value":"Vite is a frontend tooling framework for JavaScript. In versions from 2.9.18 to before 3.0.0, 3.2.9 to before 4.0.0, 4.5.3 to before 5.0.0, 5.2.6 to before 5.4.21, 6.0.0 to before 6.4.1, 7.0.0 to before 7.0.8, and 7.1.0 to before 7.1.11, files denied by server.fs.deny were sent if the URL ended with \\ when the dev server is running on Windows. Only apps explicitly exposing the Vite dev server to the network and running the dev server on Windows were affected. This issue has been patched in versions 5.4.21, 6.4.1, 7.0.8, and 7.1.11."}],"affected":[{"vendor":"vitejs","product":"vite","versions":[{"version":">= 7.1.0, < 7.1.11","status":"affected"},{"version":">= 7.0.0, < 7.0.8","status":"affected"},{"version":">= 6.0.0, < 6.4.1","status":"affected"},{"version":">= 5.2.6, < 5.4.21","status":"affected"},{"version":">= 4.5.3, < 5.0.0","status":"affected"},{"version":">= 3.2.9, < 4.0.0","status":"affected"},{"version":">= 2.9.18, < 3.0.0","status":"affected"}]}],"references":[{"url":"https://github.com/vitejs/vite/security/advisories/GHSA-93m4-6634-74q7","name":"https://github.com/vitejs/vite/security/advisories/GHSA-93m4-6634-74q7","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/vitejs/vite/commit/f479cc57c425ed41ceb434fecebd63931b1ed4ed","name":"https://github.com/vitejs/vite/commit/f479cc57c425ed41ceb434fecebd63931b1ed4ed","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-10-20T19:57:13.188Z"},"source":{"advisory":"GHSA-93m4-6634-74q7","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-20T20:16:51.209674Z","id":"CVE-2025-62522","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-20T20:17:08.287Z"}}]}}}