What’s Vulnerable › Vulnerabilities

CVE-2026-19039: Kino-Kafkaesque ssh-mcp-server SSH index.ts ssh_exec command injection

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-06 · updated 2026-10-23
• Weakness: CWE-74

Description

A vulnerability was detected in Kino-Kafkaesque ssh-mcp-server up to 8ebbbb99b26f80ff6162fe00957c6dec73fbc5a5. Impacted is the function ssh_exec 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 products

• Kino-Kafkaesque ssh-mcp-server: 8ebbbb99b26f80ff6162fe00957c6dec73fbc5a5

References

• https://github.com/KinoThe-Kafkaesque/ssh-mcp-server/issues/3
• https://github.com/KinoThe-Kafkaesque/ssh-mcp-server/issues/3#issuecomment-4319612623
• https://vuldb.com/cve/CVE-2026-19039
• https://vuldb.com/submit/863828
• https://vuldb.com/vuln/386458
• https://vuldb.com/vuln/386458/cti
• https://github.com/KinoThe-Kafkaesque/ssh-mcp-server/issues/3#issuecomment-4319612623

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