CVE-2026-39363: fallo de gravedad alta en vitejs vite
Vite Affected by Arbitrary File Read via Vite Dev Server WebSocket
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
36Vexday Risk Score
Corrige pronto. Ella tiene exploit funcional público.
ssvc Attendcvss 8.2epss 3.4%
Vite is a frontend tooling framework for JavaScript. From 6.0.0 to before 6.4.2, 7.3.2, and 8.0.5, if it is possible to connect to the Vite dev server’s WebSocket without an Origin header, an attacker can invoke fetchModule via the custom WebSocket event vite:invoke and combine file://... with ?raw (or ?inline) to retrieve the contents of arbitrary files on the server as a JavaScript string (e.g., export default "..."). The access control enforced in the HTTP request path (such as server.fs.allow) is not applied to this WebSocket-based execution path. This vulnerability is fixed in 6.4.2, 7.3.2, and 8.0.5.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVEs relacionadas — vitejs vite
En el mismo producto, de las más peligrosas a las menos.
CVE-2025-31125MEDIUMVite has a `server.fs.deny` bypassed for `inline` and `raw` with `?import` queryEPSS 74.9%KEVCVE-2025-30208MEDIUMVite bypasses server.fs.deny when using `?raw??`EPSS 74.8%CVE-2025-31486MEDIUMVite allows server.fs.deny to be bypassed with .svg or relative pathsEPSS 40.5%CVE-2023-34092HIGHVite Server Options (server.fs.deny) can be bypassed using double forward-slash (//)EPSS 3.2%CVE-2026-39364HIGHVite has a `server.fs.deny` bypass with queriesEPSS 2.3%CVE-2025-32395MEDIUMVite has an `server.fs.deny` bypass with an invalid `request-target`EPSS 1.8%
Referencias
https://access.redhat.com/errata/RHSA-2026:24761https://access.redhat.com/errata/RHSA-2026:24762https://access.redhat.com/errata/RHSA-2026:24866https://access.redhat.com/errata/RHSA-2026:59153https://access.redhat.com/security/cve/CVE-2026-39363https://bugzilla.redhat.com/show_bug.cgi?id=2456179https://github.com/vitejs/vite/security/advisories/GHSA-p9ff-h696-f583https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39363.json