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CVE-2025-66209

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Date: December 23, 2025

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to version 4.0.0-beta.451, an authenticated command injection vulnerability in the Database Backup functionality allows users with application/service management permissions to execute arbitrary commands as root on managed servers. Database names used in backup operations are passed directly to shell commands without sanitization, enabling full remote code execution. Version 4.0.0-beta.451 fixes the issue.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2025-66209
https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.451
https://github.com/0xrakan/coolify-cve-2025-66209-66213
https://github.com/coollabsio/coolify/pull/7375
https://www.mend.io/vulnerability-database/CVE-2025-66209

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

Top Fix

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Upgrade Version

Upgrade to version https://github.com/coollabsio/coolify.git - v4.0.0-beta.451

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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