CVE-2026-6118: Command Injection in AstrBot

Successful exploitation of CVE-2026-6118 allows an attacker to execute arbitrary commands on the server hosting AstrBot. This could lead to a complete system takeover, enabling the attacker to steal sensitive data, install malware, or disrupt services. The remote nature of the vulnerability significantly broadens the attack surface, as it can be exploited from anywhere with network access to the affected system. The ability to inject commands directly bypasses standard security controls, making it a particularly dangerous vulnerability. The lack of vendor response increases the risk of exploitation.

1. Reserved2026-04-11
2. Published2026-04-12
3. Modified2026-04-14
4. EPSS updated2026-04-19

Due to the absence of a vendor-supplied patch, immediate mitigation is crucial. Implement strict input validation on all user-supplied data passed to the addmcpserver function. Consider using a Web Application Firewall (WAF) with command injection rules to filter malicious input. Restrict network access to the AstrBot dashboard to only authorized personnel. Monitor system logs for suspicious command execution patterns. While not a complete solution, these measures can significantly reduce the risk of exploitation until a patch is available. After implementing these mitigations, verify their effectiveness by attempting to trigger the vulnerability with carefully crafted input and confirming that the commands are properly sanitized.