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…

在 GitHub Advisory Database 阅读

2026/10/24 07:24，GitHub Advisory Database 发布了“virtualenv: Xonsh activation literals depend on the script decoding codec”（类型：漏洞公告）。严重程度为“高危”（high）。相关技术：Python。CVE：CVE-2026-113718。