CVE-2026-34035 Coolify: Host RCE via Log Drain secret/env command injection
An authenticated user can inject shell commands via log drain settings, leading to remote code execution on the host 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-2026-34035?
CVE-2026-34035 is a high-severity command injection vulnerability in coollabsio coolify, published on 7 Jul 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.466, log drain secret and environment values were interpolated into shell commands without sufficient encoding, allowing an authenticated user to inject commands executed on the host. This issue is fixed in version 4.0.0-beta.466.
Weakness: CWE-78
Which versions are affected by CVE-2026-34035?
How do I fix CVE-2026-34035?
No fix has been published for CVE-2026-34035 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-2026-34035 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34035 exists.
Sources
Also known as GHSA-3xm2-hqg8-4m2p.