CVE-2021-26543

Name: CVE-2021-26543
Creator: NVD / NIST
Published: 2021-05-06T13:15:12.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.46%

Last modified Jun 17, 2026

CVE-2021-26543 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The "gitDiff" function in Wayfair git-parse <=1.0.4 has a command injection vulnerability. Clients of the git-parse library are unlikely to be aware of this, so they might unwittingly write code that contains a vulnerability. EPSS estimates a 2.46% chance of exploitation in the next 30 days.

Description

The "gitDiff" function in Wayfair git-parse <=1.0.4 has a command injection vulnerability. Clients of the git-parse library are unlikely to be aware of this, so they might unwittingly write code that contains a vulnerability. The issue has been resolved in version 1.0.5.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.46%

82.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Wayfair	Git-Parse	< 1.0.5

References

https://advisory.checkmarx.net/advisory/CX-2020-4302Exploit, Third Party Advisory
https://www.npmjs.com/package/git-parseProduct, Third Party Advisory
https://advisory.checkmarx.net/advisory/CX-2020-4302Exploit, Third Party Advisory
https://www.npmjs.com/package/git-parseProduct, Third Party Advisory

Timeline

Published: May 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26543?

How severe is CVE-2021-26543?

CVE-2021-26543 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.46% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26543?

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-2021-26543?

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

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Source: NVD / NIST