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CVE-2026-4496

5.3 · MEDIUM
Published Mar 20, 2026 CWE-77 EPSS 1.04% (62th pctl)

Overview

CVE-2026-4496 is a medium-severity vulnerability. It was published on March 20, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

A vulnerability was found in sigmade Git-MCP-Server up to 785aa159f262a02d5791a5d8a8e13c507ac42880. Affected by this vulnerability is the function child_process.exec of the file src/gitUtils.ts of the component show_merge_diff/quick_merge_summary/show_file_diff. The manipulation results in os command injection. The attack must be initiated from a local position. The exploit has been made public and could be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. It is advisable to implement a patch to correct this issue. The vendor was contacted early about this disclosure but did not respond in any way.

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.

Frequently Asked Questions

What is CVE-2026-4496?

CVE-2026-4496 is a medium-severity vulnerability. It was published on March 20, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-4496?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-4496?

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-2026-4496?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-4496 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.