CVE-2026-100744 coollabsio Coolify Route-Level Middleware CanUpdateResource.php authorization
Attackers can bypass authorization checks in Coolify's route middleware to modify resources they should not access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100744?
CVE-2026-100744 is a medium-severity missing authorization vulnerability in coollabsio Coolify, published on 27 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw has been found in coollabsio Coolify up to 4.1.2. The affected element is an unknown function of the file app/Http/Middleware/CanUpdateResource.php of the component Route-Level Middleware. Executing a manipulation can lead to missing authorization. The attack may be launched remotely. The exploit has been published and may be used. Upgrading to version 4.2.0 is sufficient to fix this issue. This patch is called 39ae16de4248075de8c08f3259114e064b20d52d. It is advisable to upgrade the affected component.
Which versions are affected by CVE-2026-100744?
How do I fix CVE-2026-100744?
No fix has been published for CVE-2026-100744 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-2026-100744 being exploited?
There is no known exploitation of CVE-2026-100744 in the wild and no public exploit code.
Sources
Also known as GHSA-wv46-wr7m-42rh.