CVE-2024-53899

Name: CVE-2024-53899
Creator: NVD / NIST
Published: 2024-11-24T16:15:06.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.56%

Last modified Jun 17, 2026

CVE-2024-53899 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. virtualenv before 20.26.6 allows command injection through the activation scripts for a virtual environment. Magic template strings are not quoted correctly when replacing. EPSS estimates a 1.56% chance of exploitation in the next 30 days.

Description

virtualenv before 20.26.6 allows command injection through the activation scripts for a virtual environment. Magic template strings are not quoted correctly when replacing. NOTE: this is not the same as CVE-2024-9287.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.56%

72.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Virtualenv	Virtualenv	< 20.26.6

References

https://github.com/pypa/virtualenv/issues/2768Exploit
https://github.com/pypa/virtualenv/pull/2771Patch
https://github.com/pypa/virtualenv/releases/tag/20.26.6Release Notes

Timeline

Published: Nov 24, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-53899?

How severe is CVE-2024-53899?

CVE-2024-53899 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.

How do I fix CVE-2024-53899?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-53899?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST