## virtualenv: Xonsh activation literals depend on the script decoding codec

- 種別: advisory
- 重大度: high
- 関連技術: python
- CVE: CVE-2026-113718
- 公開日時: 2026-10-23T22:24:43.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-394h-qwmc-48pf)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-394h-qwmc-48pf

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…