CVE-2025-53818
GitHub Kanban MCP Server is a Model Context Protocol (MCP) server for managing GitHub issues in Kanban board format and streamlining LLM task management. Version 0.3.0 of the MCP Server is 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.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 8.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.41%
- Percentil entre todas las CVEs puntuadas: 72
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto principal
T1059Command and Scripting Interpreterexecution95 %
Inyección de comandos en API de child process de Node.js (CWE-78) con acceso remoto sin autenticación (AV:N, PR:N, UI:N). El atacante ejecuta comandos arbitrarios mediante la herramienta 'add_comment' del MCP Server.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (3)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-78
Referencias
- https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/blob/main/src/handlers/comment-handlers.ts#L8
- https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/blob/main/src/handlers/tool-handlers.ts#L79
- https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/blob/v0.4.0/src/handlers/comment-handlers.ts#L8-L23
- https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/security/advisories/GHSA-6jx8-rcjx-vmwf
- https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/security/advisories/GHSA-6jx8-rcjx-vmwf
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-53818",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-53818",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2025-07-15T13:27:10.330528Z"
}
}
],
"cvssMetricV40": [
{
"type": "Secondary",
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"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 8.9,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "PROOF_OF_CONCEPT",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "Sunwood-ai-labs",
"product": "github-kanban-mcp-server",
"versions": [
{
"status": "affected",
"version": "= 0.3.0"
}
]
}
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],
"published": "2025-07-14T21:15:27.983",
"references": [
{
"url": "https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/blob/main/src/handlers/comment-handlers.ts#L8",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/Sunwood-ai-labs/github-kanban-mcp-server/blob/main/src/handlers/tool-handlers.ts#L79",
"source": "security-advisories@github.com"
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{
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"source": "security-advisories@github.com"
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "GitHub Kanban MCP Server is a Model Context Protocol (MCP) server for managing GitHub issues in Kanban board format and streamlining LLM task management. Version 0.3.0 of the MCP Server is 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."
},
{
"lang": "es",
"value": "GitHub Kanban MCP Server es un servidor de Protocolo de Contexto de Modelo (MCP) para gestionar incidencias de GitHub en formato de tablero Kanban y optimizar la gestión de tareas LLM. Las versiones 0.3.0 y 0.4.0 del servidor MCP están escritas de forma que son vulnerables a ataques de vulnerabilidad de inyección de comandos como parte de la definición e implementación de algunas de sus herramientas. El servidor MCP expone la herramienta `add_comment`, que se basa en la API `exec` del proceso secundario de Node.js para ejecutar el comando de GitHub (`gh`). Esta API es insegura y vulnerable si se concatena con entradas de usuario no confiables. Al momento de la publicación, no se conocían parches disponibles."
}
],
"lastModified": "2026-06-17T09:38:58.857",
"sourceIdentifier": "security-advisories@github.com"
}