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…

在 GitHub Advisory Database 阅读

2026/10/24 07:21，GitHub Advisory Database 发布了“virtualenv: Bash prompt values can change meaning under older compatibility modes”（类型：漏洞公告）。严重程度为“高危”（high）。相关技术：Python。CVE：CVE-2026-113723。