CVE-2026-27957 Coolify: Authenticated RCE via command injection in CA certificate management feature
Authenticated users can execute arbitrary commands on managed servers via CA certificate management, leading to full host compromise.
- 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-2026-27957?
CVE-2026-27957 is a high-severity command injection vulnerability in coollabsio coolify, published on 30 Jun 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. Prior to 4.0.0-beta.464, an authenticated command injection vulnerability in the CA Certificate management feature allows any authenticated user to execute arbitrary commands as the configured SSH user on the managed server host. As the SSH user typically would have to either be root or part of the docker group for Coolify to function as intended, this provides complete compromise of the managed server and associated docker containers. This vulnerability is fixed in 4.0.0-beta.464.
Weakness: CWE-78
Which versions are affected by CVE-2026-27957?
How do I fix CVE-2026-27957?
No fix has been published for CVE-2026-27957 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-27957 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-27957 exists.
Sources
Also known as GHSA-7g97-c4xv-3cjx.