CVE-2025-66219

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published11/29/2025

Last Modified12/19/2025

Sourcenvd

Honeypot Sightings0

Affected Products

dontkry:willitmerge

Weaknesses (CWE)

CWE-77

References

https://github.com/shama/willitmerge/blob/2fe91d05191fb05ac6da685828d109a3a5885028/lib/willitmerge.js#L189-L197(security-advisories@github.com)

https://github.com/shama/willitmerge/security/advisories/GHSA-j9wj-m24m-7jj6(security-advisories@github.com)

https://github.com/shama/willitmerge/security/advisories/GHSA-j9wj-m24m-7jj6(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.