CVE-2025-66219 MEDIUM

CVE-2025-66219: willitmerge has a command Injection vulnerability

Vendor Shama
Product willitmerge
Weakness CWE-77
Published November 29, 2025
Last update December 1, 2025

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 29, 2025 CVE published
December 1, 2025 Record updated