CVE-2026-113722 virtualenv: Generated POSIX console launchers interpret destination paths as shell syntax

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, virtualenv's ScriptMakerCustom and pip pass an incompletely quoted interpreter path to distlib ScriptMaker when generating POSIX console scripts. When the path contains a space or produces a shebang longer...

CVE-2026-113722

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, virtualenv's ScriptMakerCustom and pip pass an incompletely quoted interpreter path to distlib ScriptMaker when generating POSIX console scripts. When the path contains a space or produces a shebang longer...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via the seed mechanism's console script launcher rewriting logic in pipinvoke.py when a virtual environment is created on POSIX systems with an interpreter path containing spaces. The rewritelaunchers method rewrites...

CVE-2026-113722 virtualenv: Generated POSIX console launchers interpret destination paths as shell syntax

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, virtualenv's ScriptMakerCustom and pip pass an incompletely quoted interpreter path to distlib ScriptMaker when generating POSIX console scripts. When the path contains a space or produces a shebang longer...

CVE-2026-113722

The virtualenv tool (prior to version 21.14.9 ) is vulnerable to OS Command Injection (CWE-78) during the generation of POSIX console scripts. The issue occurs because ScriptMakerCustom and pip pass an incompletely quoted interpreter path to distlib ScriptMaker . When a destination path contains ...

CVE-2026-113722 virtualenv: Generated POSIX console launchers interpret destination paths as shell syntax

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, virtualenv's ScriptMakerCustom and pip pass an incompletely quoted interpreter path to distlib ScriptMaker when generating POSIX console scripts. When the path contains a space or produces a shebang longer...

CVE-2026-113722

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, virtualenv's ScriptMakerCustom and pip pass an incompletely quoted interpreter path to distlib ScriptMaker when generating POSIX console scripts. When the path contains a space or produces a shebang longer...

CVE-2026-113721

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, ViaTemplateActivator.generate removes an existing output only when Path.exists is true, allowing a dangling symlink to survive and redirect generated activation content, while PyEnvCfg.write opens pyvenv.cfg...

CVE-2026-113721

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, ViaTemplateActivator.generate removes an existing output only when Path.exists is true, allowing a dangling symlink to survive and redirect generated activation content, while PyEnvCfg.write opens pyvenv.cfg...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack via ViaTemplateActivator.generate in src/virtualenv/activation/viatemplate.py, which checks whether a destination file exists with Path.exists before unlinking it and writing new content. A local attacker who can race the...

CVE-2026-113721

The virtualenv tool is vulnerable to a link-following issue prior to version 21.14.9 . The root cause lies in ViaTemplateActivator._generate() only removing existing output if Path.exists() is true, which allows a dangling symlink to persist and redirect generated activation content. Additionally...

CVE-2026-113721 virtualenv: Generated files can follow existing destination links

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, ViaTemplateActivator.generate removes an existing output only when Path.exists is true, allowing a dangling symlink to survive and redirect generated activation content, while PyEnvCfg.write opens pyvenv.cfg...

CVE-2026-113721 virtualenv: Generated files can follow existing destination links

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, ViaTemplateActivator.generate removes an existing output only when Path.exists is true, allowing a dangling symlink to survive and redirect generated activation content, while PyEnvCfg.write opens pyvenv.cfg...

CVE-2026-113720 virtualenv: Seeded files retain permissions from an older cache

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the app-data copy seeder uses shutil.copy to copy cached package files into later environments, causing cached source modes to override the current run's umask. A cache populated under a permissive umask can...

CVE-2026-113720

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the app-data copy seeder uses shutil.copy to copy cached package files into later environments, causing cached source modes to override the current run's umask. A cache populated under a permissive umask can...

CVE-2026-113720 virtualenv: Seeded files retain permissions from an older cache

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the app-data copy seeder uses shutil.copy to copy cached package files into later environments, causing cached source modes to override the current run's umask. A cache populated under a permissive umask can...

CVE-2026-113720

The virtualenv tool (prior to version 21.14.9 ) contains a vulnerability where the app-data copy seeder uses shutil.copy() to move cached package files into new environments. This causes files to retain source modes from a previous cache, potentially overriding the current run's umask . If the ca...

CVE-2026-113720

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the app-data copy seeder uses shutil.copy to copy cached package files into later environments, causing cached source modes to override the current run's umask. A cache populated under a permissive umask can...

CVE-2026-113720 virtualenv: Seeded files retain permissions from an older cache

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the app-data copy seeder uses shutil.copy to copy cached package files into later environments, causing cached source modes to override the current run's umask. A cache populated under a permissive umask can...

CVE-2026-113715 virtualenv: Venv configuration readback can reinterpret path boundaries

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the stdlib venv creator reads generated pyvenv.cfg with str.splitlines and merges parsed keys over virtualenv's selected configuration. An untrusted caller who influences the destination pathname can include...