api-gateway-deploy Affected by Exploitable Command Injection via Unprivileged Root Execution

The impact of CVE-2026-27208 is severe. Successful exploitation allows an attacker to execute arbitrary commands as root within the container. This can lead to a complete container escape, granting the attacker control over the underlying host system. The attacker could then modify infrastructure configurations, steal sensitive data, or pivot to other systems within the network. This vulnerability shares similarities with other container escape exploits, highlighting the importance of robust container security practices. The ability to escalate privileges to root significantly expands the potential blast radius of an attack.

Organizations deploying api-gateway-deploy in containerized environments, particularly those utilizing legacy configurations or shared hosting, are at significant risk. Environments where the container has elevated privileges or access to sensitive resources are especially vulnerable.

• docker: Inspect the Dockerfile for the presence of a non-root user (appuser). • docker: Examine the entrypoint.sh script for proper input sanitization and secure delimiters. • linux / server: Monitor system logs for suspicious command executions originating from the api-gateway-deploy container. Use journalctl -u api-gateway-deploy to filter relevant logs. • generic web: Use curl to test API endpoints with potentially malicious input and observe the server's response for signs of command execution.

1. 2026-02-24Disclosure

   disclosure

1. Reserviert2026-02-18
2. Veröffentlicht2026-02-24
3. Geändert2026-02-27
4. EPSS aktualisiert2026-03-23

The primary mitigation for CVE-2026-27208 is to immediately upgrade to version 1.0.1 of api-gateway-deploy. This version implements strict input sanitization and secure delimiters in the entrypoint.sh script. Additionally, the Dockerfile now enforces a non-root user (appuser) and includes mandatory security quality gates. As a temporary workaround, consider implementing strict network segmentation to limit the container's access to sensitive resources. Review and harden container runtime configurations to restrict privileges and capabilities. After upgrading, confirm the fix by attempting to inject commands through the API gateway and verifying that they are properly sanitized.