Plateforme
nodejs
Composant
mcp-summarization-functions
Corrigé dans
0.1.1
0.1.2
0.1.3
0.1.4
0.1.5
0.1.6
CVE-2026-5619 describes a Command Injection vulnerability discovered in Braffolk's mcp-summarization-functions, specifically within the src/server/mcp-server.ts file. This flaw allows an attacker with local access to execute arbitrary operating system commands by manipulating the command argument. The vulnerability affects versions 0.1.0 through 0.1.5, and a public exploit is available, increasing the risk of immediate exploitation. A fix is pending, requiring mitigation strategies.
Successful exploitation of CVE-2026-5619 grants an attacker the ability to execute arbitrary commands on the system with the privileges of the user running the mcp-summarization-functions process. This could lead to complete system compromise, including data exfiltration, installation of malware, and persistent backdoor access. Given the local access requirement, the immediate risk is highest for environments where user accounts have elevated privileges or where the application is deployed in a shared hosting environment. The availability of a public exploit significantly increases the likelihood of exploitation, particularly if the affected versions remain unpatched.
CVE-2026-5619 is currently considered a high-risk vulnerability due to the availability of a public proof-of-concept. While the attack requires local access, this is often a manageable barrier in many environments. The vulnerability was disclosed on 2026-04-06, and the vendor has not responded to early disclosure attempts. It is not currently listed on CISA KEV, but its ease of exploitation warrants close monitoring. Active exploitation is likely, given the public PoC.
This vulnerability primarily affects developers and system administrators using Braffolk's mcp-summarization-functions library in their Node.js applications. Environments utilizing shared hosting or where user accounts have elevated privileges are at particularly high risk. Any application relying on the summarize_command functionality without proper input validation is potentially vulnerable.
• nodejs / server:
ps aux | grep mcp-summarization-functions | grep -i 'command='• nodejs / server:
journalctl -u mcp-summarization-functions -g 'command injection'• generic web:
curl -I http://your-server/summarize_command | grep -i 'command='disclosure
Statut de l'Exploit
EPSS
0.50% (percentile 66%)
CISA SSVC
Vecteur CVSS
Since a patch is not yet available, immediate mitigation is crucial. The primary strategy is to restrict user input to the command argument, implementing strict validation and sanitization to prevent malicious code injection. Consider using a whitelist of allowed commands and parameters. Implement robust logging and monitoring to detect suspicious command execution attempts. If possible, temporarily disable the vulnerable summarize_command functionality. Employ a Web Application Firewall (WAF) or reverse proxy to filter potentially malicious requests. Regularly scan the system for unauthorized processes and files. After implementing these mitigations, verify their effectiveness by attempting to trigger the vulnerability with a controlled, non-malicious payload.
Actualice a una versión corregida de la biblioteca mcp-summarization-functions. Revise el código fuente para identificar y mitigar la vulnerabilidad de inyección de comandos del sistema operativo en la función summarize_command. Implemente una validación y saneamiento robustos de las entradas del usuario para prevenir la ejecución de comandos no autorizados.
Analyses de vulnérabilités et alertes critiques directement dans votre boîte mail.
CVE-2026-5619 is a Command Injection vulnerability affecting Braffolk's mcp-summarization-functions library, allowing attackers with local access to execute OS commands.
You are affected if you are using Braffolk mcp-summarization-functions versions 0.1.0 through 0.1.5 and have not implemented mitigating controls.
A patch is pending. Mitigate by restricting user input, implementing strict validation, and monitoring for suspicious activity until a fix is released.
Due to the availability of a public proof-of-concept, active exploitation is likely and should be considered a high risk.
As of the disclosure date, Braffolk has not released an official advisory. Monitor their website and GitHub repository for updates.
Téléverse ton fichier de dépendances et découvre instantanément si cette CVE et d'autres te touchent.