Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| cyanheads | git-mcp-server | ≤ 2.15.3 | — |
References
- GitHub Issue #53 issue-tracking
- https://github.com/cyanheads/git-mcp-server product
- https://github.com/cyanheads/git-mcp-server/blob/v2.15.3/src/services/git/providers/cli/operations/commits/log.ts technical-description
- https://github.com/cyanheads/git-mcp-server/blob/v2.15.3/src/services/git/providers/cli/utils/command-builder.ts technical-description
- VulnCheck Advisory: git-mcp-server 2.15.1 Argument Injection via Git Ref Parameters third-party-advisory