CVE-2026-27957

Coolify · Coolify

A high-severity vulnerability has been identified in the Coolify self-hosted server and application management platform.

Executive summary

A critical security vulnerability in the Coolify management platform poses a high risk of unauthorized system control and potential data compromise.

Vulnerability

The vulnerability exists within the Coolify platform, which is designed for managing servers, applications, and databases. The nature of the flaw allows for potential unauthorized actions that could compromise the integrity of the entire managed environment.

Business impact

Because Coolify is used to manage critical server infrastructure and databases, a successful exploit could grant an attacker full control over the underlying assets. The CVSS score of 8.8 highlights the severity of this risk, which could result in complete system takeover, data exfiltration, and significant operational downtime for all services managed by the Coolify instance.

Remediation

Immediate Action: Apply the latest security updates provided by the Coolify project immediately to mitigate risks of unauthorized access.

Proactive Monitoring: Monitor server and database logs for unauthorized configuration changes or unexpected administrative sessions initiated from unknown IP addresses.

Compensating Controls: Isolate the Coolify management instance within a secure network segment and restrict access to authorized personnel via secure administrative gateways.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Administrators must treat this vulnerability with the highest priority, as Coolify serves as a central point of control for multiple infrastructure components. Immediate patching is required to prevent potential lateral movement and full-scale compromise of the managed server environment.