willitmerge is a command line tool to check if pull requests are mergeable. In versions 0.2.1 and prior, there is a command Injection vulnerability in willitmerge. The vulnerability manifests in this package due to the use of insecure child process execution API (exec) to which it concatenates user input, whether provided to the command-line flag, or is in user control in the target repository. At time of publication, no known fix is public.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00527.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Willitmerge Project
  • Willitmerge

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Willitmerge Project
  • Willitmerge
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-j9wj-m24m-7jj6 willitmerge has a Command Injection vulnerability
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/shama/willitmerge/blob/2fe91d05191fb05ac6da685828d109a3a5885028/lib/willitmerge.js#L189-L197 cve-icon cve-icon
https://github.com/shama/willitmerge/security/advisories/GHSA-j9wj-m24m-7jj6 cve-icon cve-icon
History

Mon, 01 Dec 2025 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Willitmerge Project
Willitmerge Project willitmerge
Vendors & Products Willitmerge Project
Willitmerge Project willitmerge

Sat, 29 Nov 2025 02:00:00 +0000

Type Values Removed Values Added
Description willitmerge is a command line tool to check if pull requests are mergeable. In versions 0.2.1 and prior, there is a command Injection vulnerability in willitmerge. The vulnerability manifests in this package due to the use of insecure child process execution API (exec) to which it concatenates user input, whether provided to the command-line flag, or is in user control in the target repository. At time of publication, no known fix is public.
Title willitmerge has a command Injection vulnerability
Weaknesses CWE-77
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-11-29T01:34:33.487Z

Reserved: 2025-11-24T23:01:29.679Z

Link: CVE-2025-66219

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-29T02:15:52.577

Modified: 2025-12-01T15:39:33.110

Link: CVE-2025-66219

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-01T15:18:16Z