CVE-2025-53818

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. Versions 0.3.0 and 0.4.0 of the MCP Server are 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.

Reserved 2025-07-09 | Published 2025-07-14 | Updated 2025-07-14 | Assigner GitHub_M

Problem types

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

>= 0.3.0, <= 0.4.0
affected

References

github.com/...server/security/advisories/GHSA-6jx8-rcjx-vmwf

github.com/...ver/blob/main/src/handlers/comment-handlers.ts

github.com/...server/blob/main/src/handlers/tool-handlers.ts

github.com/...r/blob/v0.4.0/src/handlers/comment-handlers.ts

cve.org (CVE-2025-53818)

nvd.nist.gov (CVE-2025-53818)

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