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.
References (2)
Core 2
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/shama/willitmerge/security/advisories/GHSA-j9wj-m24m-7jj6
Scores
CVSS v3
9.8
EPSS
0.0030
EPSS Percentile
53.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-77
Status
published
Products (2)
dontkry/willitmerge
< 0.2.1
npm/willitmerge
0npm
Published
Nov 29, 2025
Tracked Since
Feb 18, 2026