Kino-Kafkaesque ssh-mcp-server up to 8ebbbb99b26f80ff6162fe00957c6dec73fbc5a5 SSH Command src/index.ts ssh_exec host/username command injection ⚔ [Disputed]

Summaryinfo

A vulnerability, which was classified as critical, was found in Kino-Kafkaesque ssh-mcp-server up to 8ebbbb99b26f80ff6162fe00957c6dec73fbc5a5. The affected element is the function ssh_exec of the file src/index.ts of the component SSH Command Handler. Executing a manipulation of the argument host/username can lead to command injection. This vulnerability appears as CVE-2026-19039. The attack requires local access. In addition, an exploit is available. The existence of this vulnerability is still disputed at present. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. 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."

Detailsinfo

A vulnerability was found in Kino-Kafkaesque ssh-mcp-server up to 8ebbbb99b26f80ff6162fe00957c6dec73fbc5a5. It has been declared as critical. This vulnerability affects the function ssh_exec of the file src/index.ts of the component SSH Command Handler. The manipulation of the argument host/username with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-19039. The exploitation appears to be easy. Local access is required to approach this attack. Technical details and also a exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The real existence of this vulnerability is still doubted at the moment. 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."

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Artificial Intelligence Software

Vendor

• Kino-Kafkaesque

Name

• ssh-mcp-server

Version

• 8ebbbb99b26f80ff6162fe00957c6dec73fbc5a5

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Exploitinginfo

Threat Intelligenceinfo

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Submitinfo

Accepted

• Submit #863828: KinoThe-Kafkaesque ssh-mcp-server unknown Command Injection (by gongyanyu)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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