CVE-2017-17831: Git Large File Storage Project Git Large File Storage

High severity, CVSS 8.8. EPSS: 3.7% chance of exploitation in the next 30 days.

GitHub Git LFS before 2.1.1 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, located on a "url =" line in a .lfsconfig file within a repository.

Affected products

Published 2017-12-21. Last modified 2026-06-17.