CVE-2026-113716 virtualenv: Builtin creation follows linked environment directories

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the builtin creator calls ensuredir for executable, library, and package directories, and ensuredir accepts an existing symlink to a directory because exists follows it. Interpreter creation, seed...

CVE-2026-113716 virtualenv: Builtin creation follows linked environment directories

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the builtin creator calls ensuredir for executable, library, and package directories, and ensuredir accepts an existing symlink to a directory because exists follows it. Interpreter creation, seed...

CVE-2026-113716

The virtualenv tool, prior to version 21.14.9 , is vulnerable to a symlink following issue during builtin environment creation. The ensure_dir() function improperly follows existing symlinks for executable, library, and package directories. If a local attacker prepares a tree containing a symlink...