Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-22702

Gravedad CVSS v3.1:
MEDIA
Tipo:
CWE-59 Incorrecta resolución de una ruta antes de aceder a un fichero (Seguimiento de enlaces)
Fecha de publicación:
10/01/2026
Última modificación:
10/01/2026

Descripción

*** Pendiente de traducción *** virtualenv is a tool for creating isolated virtual python environments. Prior to version 20.36.1, TOCTOU (Time-of-Check-Time-of-Use) vulnerabilities in virtualenv allow local attackers to perform symlink-based attacks on directory creation operations. An attacker with local access can exploit a race condition between directory existence checks and creation to redirect virtualenv's app_data and lock file operations to attacker-controlled locations. This issue has been patched in version 20.36.1.