{"cve":"CVE-2025-66219","nvd":{"published":"2025-11-29T02:15:52.577","modified":"2026-10-07T20:10:01.970","status":"Analyzed","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.","cvss_v4":{"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","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-77"],"references":["https://github.com/shama/willitmerge/blob/2fe91d05191fb05ac6da685828d109a3a5885028/lib/willitmerge.js#L189-L197","https://github.com/shama/willitmerge/security/advisories/GHSA-j9wj-m24m-7jj6","https://github.com/shama/willitmerge/security/advisories/GHSA-j9wj-m24m-7jj6"],"products":["dontkry:willitmerge"],"source":"nvd","synced_at":"2026-10-19T22:16:02.354564667+00:00"},"epss":{"cve":"CVE-2025-66219","score":0.02659,"percentile":0.8558,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-j9wj-m24m-7jj6","url":"https://osv.dev/vulnerability/GHSA-j9wj-m24m-7jj6","summary":"willitmerge has a Command Injection vulnerability","modified":"2025-12-01T17:03:45.099642Z","packages":[{"ecosystem":"npm","name":"willitmerge","purl":"pkg:npm/willitmerge","ranges":["<=0.2.1"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}