CVE-2021-44685: Git-It Project Git-It

Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days.

Git-it through 4.4.0 allows OS command injection at the Branches Aren't Just For Birds challenge step. During the verification process, it attempts to run the reflog command followed by the current branch name (which is not sanitized for execution).

Affected products

• Git-It Project Git-It: up to and including 4.4.0

Published 2021-12-07. Last modified 2026-06-17.