CVE-2025-64420
9.9 · CRITICALOverview
CVE-2025-64420 is a critical-severity vulnerability affecting coollabs coolify. It was published on January 5, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify versions prior to and including v4.0.0-beta.434, low privileged users are able to see the private key of the root user on the Coolify instance. This allows them to ssh to the server and authenticate as root user, using the private key. As of time of publication, it is unclear if a patch is available.
Remediation
Check the references section for vendor advisories and patches from coollabs. Update coolify to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| coollabs | coolify | >= 0, < 4.0.0 | Affected |
Frequently Asked Questions
What is CVE-2025-64420?
CVE-2025-64420 is a critical-severity vulnerability affecting coollabs coolify. It was published on January 5, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
How severe is CVE-2025-64420?
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-64420?
Check the references section for vendor advisories and patches from coollabs. Update coolify to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-64420?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-64420 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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