CVE-2026-113723
High
Description
virtualenv is a tool for creating isolated virtual python environments. Prior to 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. This vulnerability is fixed in 21.14.9.
SeverityHigh
CVSS7.1
Exploit probability—
ProductVirtualenv
PublishedOct 20, 2026
First seenOct 20, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- virtualenv21.14.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| virtualenvPyPI | v < 21.14.9 | 21.14.9 |
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