{"id":"GHSA-859w-5945-r5v3","summary":"Vite's server.fs.deny bypassed with /. for files under project root","details":"### Summary\nThe contents of files in [the project `root`](https://vite.dev/config/shared-options.html#root) that are denied by a file matching pattern can be returned to the browser.\n\n### Impact\n\nOnly apps explicitly exposing the Vite dev server to the network (using --host or [server.host config option](https://vitejs.dev/config/server-options.html#server-host)) are affected.\nOnly files that are under [project `root`](https://vite.dev/config/shared-options.html#root) and are denied by a file matching pattern can be bypassed.\n\n- Examples of file matching patterns: `.env`, `.env.*`, `*.{crt,pem}`, `**/.env`\n- Examples of other patterns: `**/.git/**`, `.git/**`, `.git/**/*`\n\n### Details\n[`server.fs.deny`](https://vite.dev/config/server-options.html#server-fs-deny) can contain patterns matching against files (by default it includes `.env`, `.env.*`, `*.{crt,pem}` as such patterns).\nThese patterns were able to bypass for files under `root` by using a combination of slash and dot (`/.`).\n\n### PoC\n```\nnpm create vite@latest\ncd vite-project/\ncat \"secret\" \u003e .env\nnpm install\nnpm run dev\ncurl --request-target /.env/. http://localhost:5173\n```\n\n![image](https://github.com/user-attachments/assets/822f4416-aa42-461f-8c95-a88d155e674b)\n![image](https://github.com/user-attachments/assets/42902144-863a-4afb-ac5b-fc16effa37cc)","aliases":["CVE-2025-46565"],"modified":"2026-07-17T21:11:55.195955018Z","published":"2025-04-30T17:40:27Z","database_specific":{"nvd_published_at":"2025-05-01T18:15:57Z","cwe_ids":["CWE-22"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2025-04-30T17:40:27Z"},"references":[{"type":"WEB","url":"https://github.com/vitejs/vite/security/advisories/GHSA-859w-5945-r5v3"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-46565"},{"type":"WEB","url":"https://github.com/vitejs/vite/commit/c22c43de612eebb6c182dd67850c24e4fab8cacb"},{"type":"PACKAGE","url":"https://github.com/vitejs/vite"}],"affected":[{"package":{"name":"vite","ecosystem":"npm","purl":"pkg:npm/vite"},"ranges":[{"type":"SEMVER","events":[{"introduced":"6.3.0"},{"fixed":"6.3.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-859w-5945-r5v3/GHSA-859w-5945-r5v3.json","last_known_affected_version_range":"\u003c= 6.3.3"}},{"package":{"name":"vite","ecosystem":"npm","purl":"pkg:npm/vite"},"ranges":[{"type":"SEMVER","events":[{"introduced":"6.2.0"},{"fixed":"6.2.7"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-859w-5945-r5v3/GHSA-859w-5945-r5v3.json","last_known_affected_version_range":"\u003c= 6.2.6"}},{"package":{"name":"vite","ecosystem":"npm","purl":"pkg:npm/vite"},"ranges":[{"type":"SEMVER","events":[{"introduced":"6.0.0"},{"fixed":"6.1.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-859w-5945-r5v3/GHSA-859w-5945-r5v3.json","last_known_affected_version_range":"\u003c= 6.1.5"}},{"package":{"name":"vite","ecosystem":"npm","purl":"pkg:npm/vite"},"ranges":[{"type":"SEMVER","events":[{"introduced":"5.0.0"},{"fixed":"5.4.19"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 5.4.18","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-859w-5945-r5v3/GHSA-859w-5945-r5v3.json"}},{"package":{"name":"vite","ecosystem":"npm","purl":"pkg:npm/vite"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.5.14"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 4.5.13","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-859w-5945-r5v3/GHSA-859w-5945-r5v3.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}