CVE-2025-53818

github-kanban-mcp-server Command Injection vulnerability

HIGH
8.9
CVSS Score
Published: July 14, 2025 at 08:30 PM UTC
Updated: June 17, 2026 at 09:38 AM UTC
1 product affected across 1 vendorGitHub Kanban MCP Server

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Severity
HIGH8.9
Exploit prediction
EPSS 1%
SSVC
PoC

Description

GitHub Kanban MCP Server is a Model Context Protocol (MCP) server for managing GitHub issues in Kanban board format and streamlining LLM task management. Version 0.3.0 of the MCP Server is written in a way that is vulnerable to command injection vulnerability attacks as part of some of its MCP Server tool definition and implementation. The MCP Server exposes the tool `add_comment` which relies on Node.js child process API `exec` to execute the GitHub (`gh`) command, is an unsafe and vulnerable API if concatenated with untrusted user input. As of time of publication, no known patches are available.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.9HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-78

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