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Vulnerabilities

Vulnerability · CVE-2025-66219

willitmerge is a command line tool to check if pull requests are mergeable.

Published Nov 29, 2025 · catalog updated Dec 1, 2025 · willitmerge is a command

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66219. EPSS is 2.66%. Act only if a listed version of willitmerge is a command is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (willitmerge is a command).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.66%
Remediation
Advisory link
Affected products
vendor shama willitmerge ≤ 0.2.1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor shama willitmerge ≤ 0.2.1≤ 0.2.1

How to fix CVE-2025-66219

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66219. EPSS is 2.66%. Act only if a listed version of willitmerge is a command is installed.

Which versions are affected?

Compare what you have installed with shama willitmerge ≤ 0.2.1 ≤ 0.2.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 2.66%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 29, 2025 · EUVD

    Detected

    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

  2. Dec 1, 2025 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-66219

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66219

    30-day exploitation probability 2.66%

    first.org
  • EUVDVulnerability recordEUVD-2025-199766

    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 i

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 27, 2026