9.8Crítica

CVE-2026-56857Root.Mkdir(All) can follow junctions out of the root on Windows in os

Go standard library os; Go standard library internal/syscall/windows Publicada: (hace 1 mes)

Descripción

On Windows, when the target of Root.Mkdir or Root.MkdirAll is a junction pointing to an empty location, the operation can create a directory at the junction target even when that target is located outside the root. This only applies to operations where the last path component is a junction (path/to/junction, but not path/junction/target).

Debilidad (CWE): CWE-1386

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
Go standard library internal/syscall/windows < 1.26.9, 1.27.0-0 – < 1.27.2
Go standard library os < 1.26.9, 1.27.0-0 – < 1.27.2

Referencias y parches