PatchTheCVECVE-2025-64420: Coolify is an open-source and self-hostable tool for managing servers, applications, and databases
CVE-2025-64420 is a critical-severity flaw (CVSS 9.9) affecting coolify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Critical severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.9 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 56%) |
| CISA exploited list | No |
| Weakness | CWE-522 |
| Published | 2026-01-05 |
| Last modified | 2026-10-07 |
Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-64420?
coolify: upgrade to 4.0.0. Exact commands for each OS are on this page.
Is CVE-2025-64420 being exploited?
CVE-2025-64420 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-64420 affect?
CVE-2025-64420 affects coolify. Severity is critical (CVSS 9.9). 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 Coo
How urgent is CVE-2025-64420?
Priority 51/100. Critical severity; Public exploit reference
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