virtualenv: Bash prompt values can change meaning under older compatibility modes

影響: pip:virtualenv < 21.14.9 → 21.14.9

Caller-supplied prompt text can become executable syntax in the bash activation prompt. An attacker must influence the value passed to virtualenv, and a user must subsequently activate the environment and draw the prompt. Affected area Bash runs with compatibility level 4.2 and draws the environment prompt. Its replacement-string behavior differs from newer compatibility modes, leaving prompt text subject to a second interpretation. The report concerns POSIX activation. It does not establish ex…

GitHub Advisory Databaseで読む

2026/10/24 07:21、GitHub Advisory Databaseが「virtualenv: Bash prompt values can change meaning under older compatibility modes」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-2026-113723。