CVE-2026-34048 Missing authorization in coolify
Low-privileged team members can execute commands on team servers due to missing authorization checks on terminal websocket routes.
- 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-2026-34048?
CVE-2026-34048 is a critical missing authorization 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.471, terminal websocket bootstrap routes only check authentication and do not enforce terminal authorization, allowing a low-privileged team member to connect to terminal routes and execute commands on team servers. This issue is fixed in version 4.0.0-beta.471.
Which versions are affected by CVE-2026-34048?
How do I fix CVE-2026-34048?
No fix has been published for CVE-2026-34048 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-34048 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34048 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-mw6q-2hmg-mhxv.