CVE-2025-64420 Coolify members can see private key of root user

Critical 10.0 Published Updated

Low-privileged users can view the root user's private SSH key, enabling unauthorized root access to the server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-64420?

CVE-2025-64420 is a critical vulnerability in coollabsio coolify, published on 5 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-522

Which versions are affected by CVE-2025-64420?

It affects 1 product.

Products include Coollabs Coolify.

How do I fix CVE-2025-64420?

No fix has been published for CVE-2025-64420 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-64420 being exploited?

There is no known exploitation of CVE-2025-64420 in the wild and no public exploit code.

Sources

Also known as GHSA-qwxj-qch7-whpc.

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