---
title: "CVE-2026-102925: virtualenv - Command Injection"
description: "virtualenv prior to 21.7.13 contains a command injection caused by improper quoting in activation scripts, letting attackers execute arbitrary code with user privileges when sourcing the script, exploit requires crafted environment paths."
url: https://panop.io/threat-heartbeat/CVE-2026-102925/
---

# CVE-2026-102925 virtualenv - Command Injection

virtualenv prior to 21.7.13 contains a command injection caused by improper quoting in activation scripts, letting attackers execute arbitrary code with user privileges when sourcing the script, exploit requires crafted environment paths.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.15% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102925)

## 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

29 September 2026

Updated

15 October 2026

Weakness

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

## Vendor fix

Update to version 21.7.13 or later.

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-2026-102925](https://nvd.nist.gov/vuln/detail/CVE-2026-102925)
- [https://github.com/pypa/virtualenv/commit/4d5a105ec2a2723b8c7f4571bb68f4f71d01e3f6](https://github.com/pypa/virtualenv/commit/4d5a105ec2a2723b8c7f4571bb68f4f71d01e3f6)
- [https://github.com/pypa/virtualenv/pull/3252](https://github.com/pypa/virtualenv/pull/3252)
- [https://github.com/pypa/virtualenv/releases/tag/21.7.13](https://github.com/pypa/virtualenv/releases/tag/21.7.13)
- [https://github.com/pypa/virtualenv/security/advisories/GHSA-p58f-9548-mpm2](https://github.com/pypa/virtualenv/security/advisories/GHSA-p58f-9548-mpm2)

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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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