CVE-2026-85626 [HIGH] – git-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object p

git-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object parameters of git_log, git_diff, and git_show tools that lack leading-dash validation. Attackers can inject git command-line options like –output= to write files outside the repository to arbitrary paths accessible by the process.