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CVE-2026-27735

CVE-2026-27735 · mcp-server-git : Path traversal in git_add allows staging files outside repository boundaries

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Model Context Protocol Servers is a collection of reference implementations for the model context protocol (MCP). In mcp-server-git versions prior to 2026.1.14, the git_add tool did not validate that file paths provided in the files argument were within the repository boundaries. Because the tool used GitPython's repo.index.add() rather than the Git CLI, relative paths containing `../` sequences that resolve outside the repository were accepted and staged into the Git index. Users are advised to upgrade to 2026.1.14 or newer to remediate this issue.

CVSS 6.4 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • servers

    Versions
    • < 2026.1.14: Affected

    No fix published

  • mcp-server-git PyPI

    Versions
    • 0.2.0
    • 0.3.0
    • 0.4.0
    • 0.4.1
    • 0.5.0
    • 0.5.1
    • 0.6.0
    • 0.6.1
    • 0.6.2
    • 2025.1.14
    • 2025.11.25
    • 2025.12.18
    • 2025.7.1
    • 2025.9.25
    Affected ranges
    • ECOSYSTEM: < 2026.1.14

    Update to 2026.1.14

Original sources

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