CVE Watch15 jul 2026

CVE-2026-39363

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

CVSS

7.5

Alto

EPSS

2.9%

p85

KEV

—

Exploit Today

0-100

Publicado: 7 abr 2026 · Última mod.: 15 jul 2026 · CWE-200 · CWE-306 · CWE-1220

EPSS · 30d

2.9%EPSS · 30 días2.9%

2026-06-302026-07-16

Descripción técnica

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.

Referencias oficiales

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