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CVE-2025-68144

mcp-server-git argument injection in git_diff and git_checkout functions allows overwriting local files

Published: Dec 17, 2025Updated: Apr 14, 2026 Sources: CVE List NVD GHSACWE-88
NVD MITRE
7.1CVSSHIGH
EPSS Score
7.3%
Top 6.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In mcp-server-git versions prior to 2025.12.17, the git_diff and git_checkout functions passed user-controlled arguments directly to git CLI commands without sanitization. Flag-like values (e.g., `--output=/path/to/file` for `git_diff`) would be interpreted as command-line options rather than git refs, enabling arbitrary file overwrites. The fix adds validation that rejects arguments starting with - and verifies the argument resolves to a valid git ref via rev_parse before execution. Users are advised to update to 2025.12.17 resolve this issue when it is released.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:HA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:LAvailability
Low
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Weaknesses

CWE-88

Affected Products

model context protocol serverslfprojects
Mixed
AI / ML / notebook-mlops
serversmodelcontextprotocol
Mixed
AI / ML / ai-agent-tooling
mcp-server-gitPyPIOSS Libraries
lfprojectsoss-projectAI / MLaka mlflow, valkey, model context protocol servers, mcp servers
modelcontextprotocoloss-projectAI / MLaka mcp, model context protocol
pypipackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://github.com/modelcontextprotocol/servers/security/advisories/GHSA-9xwc-hfwc-8w59
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-68144
nvd.nist.gov
https://github.com/modelcontextprotocol/servers
github.com

Timeline

Published
Dec 17, 2025
Last Updated
Apr 14, 2026

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