virtualenv bash activate runs commands from an environment name with a backslash before $

Summary The bash activate script escapes the environment name for only one of the two passes bash makes over PS1, so a backslash in the name undoes the escaping and a name containing $... runs as commands in the user's shell each time bash draws the prompt. Affected area...

EUVD-2026-106869

virtualenv activate runs commands from the environment name in zsh with PROMPTSUBST...

EUVD-2026-106868

virtualenv activation scripts run code from a path that contains a placeholder name...

bash-shellshock

bash-shellshock Cookbook This cookbook is designed to test and optionally remediate the bash "shellshock" bug, more formally known as cve-2014-7169. Once Chef-client has executed this recipe on one or more hosts, a list of all nodes that are vulnerable to the "Shellshock" exploit can be retrieved...

Exploit for CVE-2026-109618

PHP Security Check A read-only Bash-based inventory tool for...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via insufficient escaping of the VIRTUALENVPROMPT variable in src/virtualenv/activation/bash/activate.sh. When a virtual environment is activated in bash or zsh, the prompt string is interpolated into PS1 without fully...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via insufficient escaping of the virtual environment name in the bash activate script src/virtualenv/activation/bash/activate.sh. Bash processes PS1 in two passes each time it draws the prompt: it first decodes backsla...

DEBIAN-CVE-2026-113776

virtualenv is a tool for creating isolated virtual python environments. From 20.26.6 until 21.14.2, ViaTemplateActivator.instantiatetemplate replaces placeholders one key at a time across the complete activation template, so trigger names such as VIRTUALNAME, VIRTUALENV, or VIRTUALPROMPT inside a...

CVE-2026-113776

virtualenv is a tool for creating isolated virtual python environments. From 20.26.6 until 21.14.2, ViaTemplateActivator.instantiatetemplate replaces placeholders one key at a time across the complete activation template, so trigger names such as VIRTUALNAME, VIRTUALENV, or VIRTUALPROMPT inside a...

DEBIAN-CVE-2026-113726

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.13.0, the bash activate script that zsh also sources leaves the environment name unescaped; from 21.13.0 until 21.14.4, it escapes backslashes, dollar signs, and backticks only when BASHVERSION is set, so zsh...

CVE-2026-113726

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.13.0, the bash activate script that zsh also sources leaves the environment name unescaped; from 21.13.0 until 21.14.4, it escapes backslashes, dollar signs, and backticks only when BASHVERSION is set, so zsh...

CVE-2026-113726

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.13.0, the bash activate script that zsh also sources leaves the environment name unescaped; from 21.13.0 until 21.14.4, it escapes backslashes, dollar signs, and backticks only when BASHVERSION is set, so zsh...

CVE-2026-113726

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.13.0, the bash activate script that zsh also sources leaves the environment name unescaped; from 21.13.0 until 21.14.4, it escapes backslashes, dollar signs, and backticks only when BASHVERSION is set, so zsh...

CVE-2026-113776

virtualenv is a tool for creating isolated virtual python environments. From 20.26.6 until 21.14.2, ViaTemplateActivator.instantiatetemplate replaces placeholders one key at a time across the complete activation template, so trigger names such as VIRTUALNAME, VIRTUALENV, or VIRTUALPROMPT inside a...

CVE-2026-113776 virtualenv activation scripts run code from a path that contains a placeholder name

virtualenv is a tool for creating isolated virtual python environments. From 20.26.6 until 21.14.2, ViaTemplateActivator.instantiatetemplate replaces placeholders one key at a time across the complete activation template, so trigger names such as VIRTUALNAME, VIRTUALENV, or VIRTUALPROMPT inside a...

CVE-2026-113776 virtualenv activation scripts run code from a path that contains a placeholder name

virtualenv is a tool for creating isolated virtual python environments. From 20.26.6 until 21.14.2, ViaTemplateActivator.instantiatetemplate replaces placeholders one key at a time across the complete activation template, so trigger names such as VIRTUALNAME, VIRTUALENV, or VIRTUALPROMPT inside a...

CVE-2026-113776

The virtualenv tool, used for creating isolated Python environments, is vulnerable to OS Command Injection and Code Injection in versions 20.26.6 through 21.14.2 . The root cause lies in ViaTemplateActivator.instantiate_template(), which replaces placeholders (e.g., __VIRTUAL_NAME__, __VIRTUAL_EN...

CVE-2026-113776

virtualenv is a tool for creating isolated virtual python environments. From 20.26.6 until 21.14.2, ViaTemplateActivator.instantiatetemplate replaces placeholders one key at a time across the complete activation template, so trigger names such as VIRTUALNAME, VIRTUALENV, or VIRTUALPROMPT inside a...

CVE-2026-113725

A flaw was found in virtualenv. The bash activation script improperly escapes the virtual environment name when configuring the command prompt. If a user activates a virtual environment created with a specially crafted name, an attacker can achieve arbitrary code execution in the user's shell...

CVE-2026-113723

A flaw was found in virtualenv. This vulnerability allows arbitrary code execution if an attacker can influence the prompt text provided during environment creation. When a user subsequently activates the environment in a bash shell, the unvalidated prompt text is executed as shell syntax, allowi...