CVE-2026-0756 github-kanban-mcp-server execAsync Command Injection Remote Code Execution Vulnerability

Critical 9.8 Published Updated

Remote attackers can execute arbitrary code via command injection in the create_issue parameter without authentication.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-0756?

CVE-2026-0756 is a critical command injection vulnerability in github-kanban-mcp-server, published on 23 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

github-kanban-mcp-server execAsync Command Injection Remote Code Execution Vulnerability. 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. The issue results 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. Was ZDI-CAN-27784.

Weakness: CWE-78

Which versions are affected by CVE-2026-0756?

How do I fix CVE-2026-0756?

No fix has been published for CVE-2026-0756 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-0756 being exploited?

There is no known exploitation of CVE-2026-0756 in the wild and no public exploit code.

Sources

Also known as GHSA-298v-qmqm-hfrx.

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