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CVE-2026-19039: Command Injection in Kino-Kafkaesque ssh-mcp-server

0
Medium
VulnerabilityCVE-2026-19039cvecve-2026-19039
Published: 08/06/2026 (08/06/2026, 13:00:10 UTC)
Source: CVE Database V5
Vendor/Project: Kino-Kafkaesque
Product: ssh-mcp-server

Description

CVE-2026-19039 is a medium-severity command injection vulnerability in the ssh_exec function of the ssh-mcp-server component of Kino-Kafkaesque. It affects versions up to commit 8ebbbb99b26f80ff6162fe00957c6dec73fbc5a5. The vulnerability arises from manipulation of the host or username arguments, allowing command injection via a local attack vector. The product uses a rolling release model, so specific affected versions are not defined. The maintainer states the tool is intended as a local/trusted SSH command execution server, implying a limited threat model. No official patch or remediation guidance is currently available, and the existence of the vulnerability is questioned by the maintainer.

CVSS v4.0

Score 4.8medium

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

CPE configurations
cpe:2.3:a:kino-kafkaesque:ssh-mcp-server:*:*:*:*:*:*:*:*

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/06/2026, 13:31:54 UTC

Technical Analysis

This vulnerability involves command injection in the ssh_exec function within the src/index.ts file of the ssh-mcp-server component of Kino-Kafkaesque. Manipulating the host or username arguments can lead to command injection. The attack requires local access, and the product is designed as a local/trusted tool for executing commands over SSH. Due to the rolling release strategy, no specific affected versions are identified. The maintainer notes that the threat model assumes trusted local use, which may limit practical exploitation. No patch or official remediation level is provided, and the vulnerability's actual existence is uncertain.

Potential Impact

If exploited, this vulnerability could allow an attacker with local access to execute arbitrary commands on the system via the ssh-mcp-server. However, the threat model assumes that users already have meaningful execution capabilities through the exposed shell, which may reduce the practical impact. There are no known exploits in the wild. The medium CVSS score reflects the local attack vector and limited impact scope.

Mitigation Recommendations

No official patch or remediation guidance is currently available. The vendor has not confirmed the vulnerability's existence and emphasizes the local trusted usage model of the product. Users should follow vendor advisories for updates. Since the product is not a cloud service, remediation depends on vendor updates or configuration changes, if any are provided in the future.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-08-06T05:56:33.587Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a748820bf8831d539bf1b90

Added to database: 08/06/2026, 13:12:00 UTC

Last enriched: 08/06/2026, 13:31:54 UTC

Last updated: 08/06/2026, 13:36:15 UTC

Views: 6

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