CVE•Published 2025-11-29•Modified 2026-10-07•1 article on news•5 live references•NVD data
CVE-2025-66219Dontkry · Willitmerge
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
85
Exploit Prediction Scoring System · top 15% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2025-11-29
Modified 2026-10-07
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2025-66219Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Dontkry Willitmerge"All exposed Dontkry Willitmerge instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Willitmerge"HTTP body or banner mentions "Willitmerge" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2025-66219Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-66219Censys host search filtered to this CVE id.
grep.app
CVE-2025-66219Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-66219GitHub code search for direct mentions.
Google dork
"CVE-2025-66219" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2025-66219 on GitHub.