CVE-2026-19039: Kino-Kafkaesque ssh-mcp-server SSH index.ts ssh_exec command injection
A vulnerability was detected in Kino-Kafkaesque ssh-mcp-server up to 8ebbbb99b26f80ff6162fe00957c6dec73fbc5a5. Impacted is the function sshexec of the file src/index.ts of the component SSH Command Handler. Performing a manipulation of the argument host/username results in command injection. The attack requires a local approach. The actual existence of this vulnerability is currently in question. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project maintainer explains: "The intended threat model is that this MCP server is a local/trusted tool for an agent to execute commands over SSH, so callers already have meaningful execution capability through the exposed shell."
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-19039?
The severity of CVE-2026-19039 is classified as medium with a score of 5.3.
How do I fix CVE-2026-19039?
To fix CVE-2026-19039, update the Kino-Kafkaesque ssh-mcp-server to the latest version that addresses the command injection vulnerability.
What type of vulnerability is CVE-2026-19039?
CVE-2026-19039 is a Command Injection vulnerability affecting the ssh_exec function in the SSH Command Handler.
Which component of Kino-Kafkaesque is affected by CVE-2026-19039?
CVE-2026-19039 affects the src/index.ts file in the SSH Command Handler of Kino-Kafkaesque ssh-mcp-server.
What impact does CVE-2026-19039 have?
The impact of CVE-2026-19039 allows an attacker to manipulate arguments for command injection, potentially leading to unauthorized command execution.