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CVE-2026-0756: Critical Vulnerability in github-kanban-mcp-server

A critical remote code execution vulnerability has been identified in the github-kanban-mcp-server. This vulnerability allows remote attackers to execute arbitrary code without authentication. Immediate action is required to mitigate risks.

CRITICALCVSS 9.8 · Published January 23, 2026

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A critical remote code execution vulnerability has been identified in the github-kanban-mcp-server. This vulnerability allows remote attackers to execute arbitrary code on affected installations of github-kanban-mcp-server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the create_issue parameter, resulting from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account.

The CVSS score for this vulnerability is 9.8, categorized as critical, indicating that it has a high potential impact on confidentiality, integrity, and availability. Organizations using this software should prioritize patching immediately to mitigate risks.

Currently, there are no known public exploits available, and this vulnerability has not been included in the Known Exploited Vulnerabilities (KEV) catalog. However, the nature of the flaw and its critical severity warrant immediate attention from security teams.

Organizations should assess their exposure to this vulnerability and implement necessary measures to ensure that their systems are not at risk.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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