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CVE-2025-68143

8.8 · HIGH

Model Context Protocol Servers is a collection of reference implementations for the model context protocol (MCP).

Published Dec 17, 2025CWE-22EPSS 8.13%

Overview

CVE-2025-68143 is a high-severity vulnerability. It was published on December 17, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/modelcontextprotocol/servers/commit/eac56e7bcde48fb64d5a973924d05d69a7d876e6GitHubgithub.com/modelcontextprotocol/servers/security/advisories/GHSA-5cgr-j3jf-jw3v

How CyberStrike helps

Frequently asked questions

What is CVE-2025-68143?

CVE-2025-68143 is a high-severity vulnerability. It was published on December 17, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-68143?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-68143?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-68143?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-68143 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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