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…

GitHub Advisory Databaseで読む

2026/10/22 01:49、GitHub Advisory Databaseが「virtualenv bash activate runs commands from an environment name with a backslash before $」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「重要」(high) です。関連する技術: Python。CVE: CVE-2026-113725。