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CVE-2026-5603

5.3 · MEDIUM
Published Apr 5, 2026 CWE-77 EPSS 0.81% (54th pctl)

Overview

CVE-2026-5603 is a medium-severity vulnerability. It was published on April 5, 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 identified in elgentos magento2-dev-mcp up to 1.0.2. The affected element is the function executeMagerun2Command of the file src/index.ts. Such manipulation leads to os command injection. An attack has to be approached locally. The exploit is publicly available and might be used. The name of the patch is aa1ffcc0aea1b212c69787391783af27df15ae9d. A patch should be applied 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.

Frequently Asked Questions

What is CVE-2026-5603?

CVE-2026-5603 is a medium-severity vulnerability. It was published on April 5, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-5603?

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-2026-5603?

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-2026-5603?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-5603 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.