---
title: "CVE-2026-113722: virtualenv - Command Injection"
description: "virtualenv < 21.14.9 contains a command injection caused by incompletely quoted interpreter paths in distlib ScriptMaker for POSIX console scripts, letting attackers execute commands with user privileges via crafted environment, exploit requires attacker control over environment destination."
url: https://panop.io/threat-heartbeat/CVE-2026-113722/
---

# CVE-2026-113722 virtualenv - Command Injection

virtualenv < 21.14.9 contains a command injection caused by incompletely quoted interpreter paths in distlib ScriptMaker for POSIX console scripts, letting attackers execute commands with user privileges via crafted environment, exploit requires attacker control over environment destination.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-113722)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

20 October 2026

Updated

21 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Upgrade to version 21.14.9 or later and regenerate affected launchers.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-113722](https://nvd.nist.gov/vuln/detail/CVE-2026-113722)
- [https://github.com/pypa/virtualenv/security/advisories/GHSA-c978-59m8-c77v](https://github.com/pypa/virtualenv/security/advisories/GHSA-c978-59m8-c77v)
- [https://github.com/pypa/virtualenv/commit/2519941bed33ee0d3ac99277f67913e439e476a9](https://github.com/pypa/virtualenv/commit/2519941bed33ee0d3ac99277f67913e439e476a9)
- [https://github.com/pypa/virtualenv/pull/3417](https://github.com/pypa/virtualenv/pull/3417)
- [https://github.com/pypa/virtualenv/releases/tag/21.14.9](https://github.com/pypa/virtualenv/releases/tag/21.14.9)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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