CVE-2025-68143: mcp-server-git's unrestricted git_init tool allows repository creation at arbitrary filesystem locations

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-17 · updated 2026-09-30
Weakness: CWE-22

Description

Model Context Protocol Servers is a collection of reference implementations for the model context protocol (MCP). In mcp-server-git versions prior to 2025.9.25, the git_init tool accepted arbitrary filesystem paths and created Git repositories without validating the target location. Unlike other tools which required an existing repository, git_init could operate on any directory accessible to the server process, making those directories eligible for subsequent git operations. The tool was removed entirely, as the server is intended to operate on existing repositories only. Users are advised to upgrade to 2025.9.25 or newer to remediate this issue.

Affected products

modelcontextprotocol servers: before 2025.9.25 — fixed in 2025.9.25

How to fix

Upgrade to a fixed version: modelcontextprotocol servers 2025.9.25. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2025-68143 or the next vulnerability affects your stack