Executive Summary

CVE-2025-64423 is a high-severity privilege escalation vulnerability in Coolify versions up to and including v4.0.0-beta.434. It allows a low privileged user (member) to see and use administrator invitation links that were intended for admins. If the low privileged user uses the invitation link before the legitimate admin recipient, they can log in as an administrator, effectively escalating their privileges without needing additional user interaction. [1]

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Impact Analysis

This vulnerability can lead to unauthorized administrative access by low privileged users, resulting in a full compromise of the system's confidentiality, integrity, and availability. Attackers can gain control over sensitive information, alter system settings, and disrupt services, posing a significant security risk. [1]

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Mitigation Strategies

Since no patched versions are available at the time of reporting, immediate mitigation steps include restricting access to invitation links, monitoring for unauthorized use of admin invitation links by low privileged users, and limiting the distribution of such links only to trusted administrators. Additionally, consider auditing user privileges and invitation link usage to detect potential exploitation attempts. [1]

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Compliance Impact

The vulnerability allows unauthorized privilege escalation to administrator level, leading to potential unauthorized access to sensitive information and system controls. This could result in non-compliance with standards and regulations such as GDPR and HIPAA, which require strict access controls and protection of sensitive data. However, no specific compliance impacts are detailed in the provided resources. [1]

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