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

影響: pip:virtualenv <= 21.14.6 → 21.14.7

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 src/virtualenv/activation/bash/activate.sh, the block that prepends the environment name to PS1. Attacker-controlled input The environment name: the environment directory's name, or the --prompt or VIRTUALENV_PROMPT value. A…

在 GitHub Advisory Database 阅读

2026/10/22 01:49，GitHub Advisory Database 发布了“virtualenv bash activate runs commands from an environment name with a backslash before $”（类型：漏洞公告）。严重程度为“高危”（high）。相关技术：Python。CVE：CVE-2026-113725。