virtualenv: Xonsh activation literals depend on the script decoding codec

影響: pip:virtualenv < 21.14.9 → 21.14.9

Caller-supplied prompt text can become executable syntax in the xonsh activation script. An attacker must influence the value passed to virtualenv, and a user must subsequently activate the environment. Affected area Xonsh reads a UTF-8 activation script using a legacy multibyte encoding such as GBK. Printable non-ASCII bytes can change how the reader recognizes an adjacent quote. The report concerns POSIX activation. It does not establish exposure through unrelated activators. Attacker-control…

GitHub Advisory Databaseで読む

2026/10/24 07:24、GitHub Advisory Databaseが「virtualenv: Xonsh activation literals depend on the script decoding codec」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-2026-113718。