CVE-2025-53818

Public Exploit
github-kanban-mcp-server Command Injection vulnerability

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.

Category

8.9
CVSS
Severity: High
CVSS 4.0 •
EPSS 0.33%
Affected: Sunwood-ai-labs github-kanban-mcp-server
Published at:
Updated at:

References

Link Tags
https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/security/advisories/GHSA-6jx8-rcjx-vmwf
https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/blob/main/src/handlers/comment-handlers.ts#L8
https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/blob/main/src/handlers/tool-handlers.ts#L79
https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/blob/v0.4.0/src/handlers/comment-handlers.ts#L8-L23

Frequently Asked Questions

What is the severity of CVE-2025-53818?
CVE-2025-53818 has been scored as a high severity vulnerability.
How to fix CVE-2025-53818?
To fix CVE-2025-53818, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-53818 being actively exploited in the wild?
It is possible that CVE-2025-53818 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-53818?
CVE-2025-53818 affects Sunwood-ai-labs github-kanban-mcp-server.
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