Description

AutoAgent contains an unauthenticated remote code execution vulnerability in the TCP server that binds to all interfaces and executes attacker-supplied commands as root. Attackers can connect to the exposed communication port and execute arbitrary bash commands within the container, gaining access to bind-mounted host workspace directories.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.8",
  "pubDate": "2026-09-05T10:16:43.900Z",
  "pubdate": "2026-09-05T10:16:43.900Z",
  "executiveSummary": "AutoAgent is susceptible to an unauthenticated remote code execution (RCE) vulnerability stemming from an insecurely configured TCP server. The service incorrectly binds to all available network interfaces without requiring authentication, exposing a command execution interface to remote attackers. By connecting directly to the designated communication port, an unauthorized actor can transmit malicious payloads that the server executes with root privileges within the container environment.\nThe impact of this vulnerability is critical, as it facilitates full system compromise of the containerized instance. Because the application processes commands with elevated root permissions, attackers gain unrestricted control over the execution environment. Furthermore, the vulnerability provides a vector for lateral movement and host compromise; since the container is configured with bind-mounted host workspace directories, an attacker can escape the containerized context to read, modify, or delete sensitive files residing on the host filesystem. The lack of authentication requirements allows for trivial exploitation by any network-adjacent entity, necessitating immediate remediation to prevent unauthorized system access and potential data exfiltration or host system takeovers.",
  "technicalDetails": "The vulnerability resides within the AutoAgent TCP server implementation, which improperly exposes an arbitrary command execution functionality via a network listener. The core issue is the absence of any authentication or authorization mechanism for incoming connections, coupled with a lack of input sanitization or command white-listing on the backend execution engine.\nThe attack flow commences when an attacker identifies the exposed TCP port associated with the AutoAgent service. Because the server binds to all network interfaces (0.0.0.0), it is reachable by any host capable of routing traffic to the target machine. Upon establishing a raw TCP connection to the service port, the attacker transmits arbitrary bash commands as part of the communication protocol payload. The server-side component receives this input and executes it directly via a system shell with root privileges.\nThe exploitation method relies on the server's failure to enforce a secure communication protocol or session validation. By injecting commands directly into the communication stream, the attacker triggers the execution of unintended instructions. Because the process is executed as root within the container, the attacker inherits the full capabilities of the container's security context.\nThe post-exploitation impact is significantly amplified by the application's environment configuration. Specifically, the AutoAgent container utilizes bind-mounted host workspace directories, which map local host paths directly into the container. An attacker gaining code execution can traverse these mount points to access files outside the container's intended namespace. This effectively grants the attacker access to the underlying host filesystem, enabling the modification of configuration files, theft of environment variables, or the deployment of persistent backdoors on the host. The combination of root execution and directory mounting transforms a container-level RCE into a comprehensive host system compromise, representing a critical failure in the application's security architecture."
}